pgsql: Rename DLLIMPORT macro to PGDLLIMPORT to avoid conflict with

Log Message:
-----------
Rename DLLIMPORT macro to PGDLLIMPORT to avoid conflict with
third party includes (like tcl) that define DLLIMPORT.

Modified Files:
--------------
pgsql/src/backend/utils/mmgr:
mcxt.c (r1.60 -> r1.61)
(http://developer.postgresql.org/cvsweb.cgi/pgsql/src/backend/utils/mmgr/mcxt.c.diff?r1=1.60&r2=1.61)
pgsql/src/include:
c.h (r1.219 -> r1.220)
(http://developer.postgresql.org/cvsweb.cgi/pgsql/src/include/c.h.diff?r1=1.219&r2=1.220)
fmgr.h (r1.51 -> r1.52)
(http://developer.postgresql.org/cvsweb.cgi/pgsql/src/include/fmgr.h.diff?r1=1.51&r2=1.52)
miscadmin.h (r1.194 -> r1.195)
(http://developer.postgresql.org/cvsweb.cgi/pgsql/src/include/miscadmin.h.diff?r1=1.194&r2=1.195)
postgres.h (r1.81 -> r1.82)
(http://developer.postgresql.org/cvsweb.cgi/pgsql/src/include/postgres.h.diff?r1=1.81&r2=1.82)
pgsql/src/include/access:
gin.h (r1.11 -> r1.12)
(http://developer.postgresql.org/cvsweb.cgi/pgsql/src/include/access/gin.h.diff?r1=1.11&r2=1.12)
pgsql/src/include/commands:
explain.h (r1.31 -> r1.32)
(http://developer.postgresql.org/cvsweb.cgi/pgsql/src/include/commands/explain.h.diff?r1=1.31&r2=1.32)
vacuum.h (r1.72 -> r1.73)
(http://developer.postgresql.org/cvsweb.cgi/pgsql/src/include/commands/vacuum.h.diff?r1=1.72&r2=1.73)
pgsql/src/include/executor:
spi.h (r1.61 -> r1.62)
(http://developer.postgresql.org/cvsweb.cgi/pgsql/src/include/executor/spi.h.diff?r1=1.61&r2=1.62)
pgsql/src/include/nodes:
nodes.h (r1.201 -> r1.202)
(http://developer.postgresql.org/cvsweb.cgi/pgsql/src/include/nodes/nodes.h.diff?r1=1.201&r2=1.202)
pgsql/src/include/optimizer:
cost.h (r1.87 -> r1.88)
(http://developer.postgresql.org/cvsweb.cgi/pgsql/src/include/optimizer/cost.h.diff?r1=1.87&r2=1.88)
plancat.h (r1.44 -> r1.45)
(http://developer.postgresql.org/cvsweb.cgi/pgsql/src/include/optimizer/plancat.h.diff?r1=1.44&r2=1.45)
planner.h (r1.40 -> r1.41)
(http://developer.postgresql.org/cvsweb.cgi/pgsql/src/include/optimizer/planner.h.diff?r1=1.40&r2=1.41)
pgsql/src/include/port:
cygwin.h (r1.6 -> r1.7)
(http://developer.postgresql.org/cvsweb.cgi/pgsql/src/include/port/cygwin.h.diff?r1=1.6&r2=1.7)
win32.h (r1.75 -> r1.76)
(http://developer.postgresql.org/cvsweb.cgi/pgsql/src/include/port/win32.h.diff?r1=1.75&r2=1.76)
pgsql/src/include/postmaster:
syslogger.h (r1.9 -> r1.10)
(http://developer.postgresql.org/cvsweb.cgi/pgsql/src/include/postmaster/syslogger.h.diff?r1=1.9&r2=1.10)
pgsql/src/include/storage:
buf_internals.h (r1.91 -> r1.92)
(http://developer.postgresql.org/cvsweb.cgi/pgsql/src/include/storage/buf_internals.h.diff?r1=1.91&r2=1.92)
bufmgr.h (r1.105 -> r1.106)
(http://developer.postgresql.org/cvsweb.cgi/pgsql/src/include/storage/bufmgr.h.diff?r1=1.105&r2=1.106)
freespace.h (r1.25 -> r1.26)
(http://developer.postgresql.org/cvsweb.cgi/pgsql/src/include/storage/freespace.h.diff?r1=1.25&r2=1.26)
proc.h (r1.98 -> r1.99)
(http://developer.postgresql.org/cvsweb.cgi/pgsql/src/include/storage/proc.h.diff?r1=1.98&r2=1.99)
shmem.h (r1.51 -> r1.52)
(http://developer.postgresql.org/cvsweb.cgi/pgsql/src/include/storage/shmem.h.diff?r1=1.51&r2=1.52)
pgsql/src/include/tcop:
pquery.h (r1.42 -> r1.43)
(http://developer.postgresql.org/cvsweb.cgi/pgsql/src/include/tcop/pquery.h.diff?r1=1.42&r2=1.43)
tcopprot.h (r1.89 -> r1.90)
(http://developer.postgresql.org/cvsweb.cgi/pgsql/src/include/tcop/tcopprot.h.diff?r1=1.89&r2=1.90)
pgsql/src/include/utils:
builtins.h (r1.298 -> r1.299)
(http://developer.postgresql.org/cvsweb.cgi/pgsql/src/include/utils/builtins.h.diff?r1=1.298&r2=1.299)
catcache.h (r1.64 -> r1.65)
(http://developer.postgresql.org/cvsweb.cgi/pgsql/src/include/utils/catcache.h.diff?r1=1.64&r2=1.65)
elog.h (r1.86 -> r1.87)
(http://developer.postgresql.org/cvsweb.cgi/pgsql/src/include/utils/elog.h.diff?r1=1.86&r2=1.87)
guc.h (r1.82 -> r1.83)
(http://developer.postgresql.org/cvsweb.cgi/pgsql/src/include/utils/guc.h.diff?r1=1.82&r2=1.83)
memutils.h (r1.62 -> r1.63)
(http://developer.postgresql.org/cvsweb.cgi/pgsql/src/include/utils/memutils.h.diff?r1=1.62&r2=1.63)
palloc.h (r1.36 -> r1.37)
(http://developer.postgresql.org/cvsweb.cgi/pgsql/src/include/utils/palloc.h.diff?r1=1.36&r2=1.37)
resowner.h (r1.11 -> r1.12)
(http://developer.postgresql.org/cvsweb.cgi/pgsql/src/include/utils/resowner.h.diff?r1=1.11&r2=1.12)
tqual.h (r1.66 -> r1.67)
(http://developer.postgresql.org/cvsweb.cgi/pgsql/src/include/utils/tqual.h.diff?r1=1.66&r2=1.67)
pgsql/src/interfaces/ecpg/include:
sqlca.h (r1.28 -> r1.29)
(http://developer.postgresql.org/cvsweb.cgi/pgsql/src/interfaces/ecpg/include/sqlca.h.diff?r1=1.28&r2=1.29)
pgsql/src/interfaces/ecpg/test/expected:
compat_informix-test_informix2.c (r1.13 -> r1.14)
(http://developer.postgresql.org/cvsweb.cgi/pgsql/src/interfaces/ecpg/test/expected/compat_informix-test_informix2.c.diff?r1=1.13&r2=1.14)
preproc-init.c (r1.6 -> r1.7)
(http://developer.postgresql.org/cvsweb.cgi/pgsql/src/interfaces/ecpg/test/expected/preproc-init.c.diff?r1=1.6&r2=1.7)
sql-array.c (r1.7 -> r1.8)
(http://developer.postgresql.org/cvsweb.cgi/pgsql/src/interfaces/ecpg/test/expected/sql-array.c.diff?r1=1.7&r2=1.8)
sql-code100.c (r1.10 -> r1.11)
(http://developer.postgresql.org/cvsweb.cgi/pgsql/src/interfaces/ecpg/test/expected/sql-code100.c.diff?r1=1.10&r2=1.11)
sql-copystdout.c (r1.10 -> r1.11)
(http://developer.postgresql.org/cvsweb.cgi/pgsql/src/interfaces/ecpg/test/expected/sql-copystdout.c.diff?r1=1.10&r2=1.11)
sql-define.c (r1.10 -> r1.11)
(http://developer.postgresql.org/cvsweb.cgi/pgsql/src/interfaces/ecpg/test/expected/sql-define.c.diff?r1=1.10&r2=1.11)
sql-dynalloc.c (r1.12 -> r1.13)
(http://developer.postgresql.org/cvsweb.cgi/pgsql/src/interfaces/ecpg/test/expected/sql-dynalloc.c.diff?r1=1.12&r2=1.13)
sql-dynalloc2.c (r1.11 -> r1.12)
(http://developer.postgresql.org/cvsweb.cgi/pgsql/src/interfaces/ecpg/test/expected/sql-dynalloc2.c.diff?r1=1.11&r2=1.12)
sql-dyntest.c (r1.14 -> r1.15)
(http://developer.postgresql.org/cvsweb.cgi/pgsql/src/interfaces/ecpg/test/expected/sql-dyntest.c.diff?r1=1.14&r2=1.15)
sql-indicators.c (r1.10 -> r1.11)
(http://developer.postgresql.org/cvsweb.cgi/pgsql/src/interfaces/ecpg/test/expected/sql-indicators.c.diff?r1=1.10&r2=1.11)
pgsql/src/port:
copydir.c (r1.19 -> r1.20)
(http://developer.postgresql.org/cvsweb.cgi/pgsql/src/port/copydir.c.diff?r1=1.19&r2=1.20)
dirmod.c (r1.48 -> r1.49)
(http://developer.postgresql.org/cvsweb.cgi/pgsql/src/port/dirmod.c.diff?r1=1.48&r2=1.49)