pgsql: Synced parser.

Log Message:
-----------
Synced parser.
Added another regression test and fixed tcp test.

Modified Files:
--------------
pgsql/src/interfaces/ecpg:
ChangeLog (r1.331 -> r1.332)
(http://developer.postgresql.org/cvsweb.cgi/pgsql/src/interfaces/ecpg/ChangeLog.diff?r1=1.331&r2=1.332)
pgsql/src/interfaces/ecpg/preproc:
keywords.c (r1.75 -> r1.76)
(http://developer.postgresql.org/cvsweb.cgi/pgsql/src/interfaces/ecpg/preproc/keywords.c.diff?r1=1.75&r2=1.76)
preproc.y (r1.334 -> r1.335)
(http://developer.postgresql.org/cvsweb.cgi/pgsql/src/interfaces/ecpg/preproc/preproc.y.diff?r1=1.334&r2=1.335)
pgsql/src/interfaces/ecpg/test/expected:
connect-test1.c (r1.4 -> r1.5)
(http://developer.postgresql.org/cvsweb.cgi/pgsql/src/interfaces/ecpg/test/expected/connect-test1.c.diff?r1=1.4&r2=1.5)
connect-test1.stderr (r1.4 -> r1.5)
(http://developer.postgresql.org/cvsweb.cgi/pgsql/src/interfaces/ecpg/test/expected/connect-test1.stderr.diff?r1=1.4&r2=1.5)
pgsql/src/interfaces/ecpg/test/sql:
Makefile (r1.2 -> r1.3)
(http://developer.postgresql.org/cvsweb.cgi/pgsql/src/interfaces/ecpg/test/sql/Makefile.diff?r1=1.2&r2=1.3)

Added Files:
-----------
pgsql/src/interfaces/ecpg/test/expected:
sql-update.c (r1.1)
(http://developer.postgresql.org/cvsweb.cgi/pgsql/src/interfaces/ecpg/test/expected/sql-update.c?rev=1.1&content-type=text/x-cvsweb-markup)
sql-update.stderr (r1.1)
(http://developer.postgresql.org/cvsweb.cgi/pgsql/src/interfaces/ecpg/test/expected/sql-update.stderr?rev=1.1&content-type=text/x-cvsweb-markup)
sql-update.stdout (r1.1)
(http://developer.postgresql.org/cvsweb.cgi/pgsql/src/interfaces/ecpg/test/expected/sql-update.stdout?rev=1.1&content-type=text/x-cvsweb-markup)
pgsql/src/interfaces/ecpg/test/sql:
update.pgc (r1.1)
(http://developer.postgresql.org/cvsweb.cgi/pgsql/src/interfaces/ecpg/test/sql/update.pgc?rev=1.1&content-type=text/x-cvsweb-markup)