pgsql: Re-enabled variables in fetch/move command.

Log Message:
-----------
Re-enabled variables in fetch/move command.

Modified Files:
--------------
pgsql/src/interfaces/ecpg:
ChangeLog (r1.368 -> r1.369)
(http://developer.postgresql.org/cvsweb.cgi/pgsql/src/interfaces/ecpg/ChangeLog?r1=1.368&r2=1.369)
pgsql/src/interfaces/ecpg/ecpglib:
descriptor.c (r1.28 -> r1.29)
(http://developer.postgresql.org/cvsweb.cgi/pgsql/src/interfaces/ecpg/ecpglib/descriptor.c?r1=1.28&r2=1.29)
execute.c (r1.74 -> r1.75)
(http://developer.postgresql.org/cvsweb.cgi/pgsql/src/interfaces/ecpg/ecpglib/execute.c?r1=1.74&r2=1.75)
extern.h (r1.32 -> r1.33)
(http://developer.postgresql.org/cvsweb.cgi/pgsql/src/interfaces/ecpg/ecpglib/extern.h?r1=1.32&r2=1.33)
pgsql/src/interfaces/ecpg/preproc:
pgc.l (r1.158 -> r1.159)
(http://developer.postgresql.org/cvsweb.cgi/pgsql/src/interfaces/ecpg/preproc/pgc.l?r1=1.158&r2=1.159)
preproc.y (r1.358 -> r1.359)
(http://developer.postgresql.org/cvsweb.cgi/pgsql/src/interfaces/ecpg/preproc/preproc.y?r1=1.358&r2=1.359)
pgsql/src/interfaces/ecpg/test/expected:
sql-fetch.c (r1.9 -> r1.10)
(http://developer.postgresql.org/cvsweb.cgi/pgsql/src/interfaces/ecpg/test/expected/sql-fetch.c?r1=1.9&r2=1.10)
pgsql/src/interfaces/ecpg/test/sql:
fetch.pgc (r1.2 -> r1.3)
(http://developer.postgresql.org/cvsweb.cgi/pgsql/src/interfaces/ecpg/test/sql/fetch.pgc?r1=1.2&r2=1.3)