plperl: Package-qualify _TD

Failing to do so causes trigger invocation to fail when they are nested
within a function invocation that changes the current package.

Backpatch to 9.1; previous releases used a different method to obtain
_TD.  Per bug report from Mark Murawski (bug #6511)

Author: Alex Hunsaker

Branch
------
REL9_1_STABLE

Details
-------
http://git.postgresql.org/pg/commitdiff/bceef1bcbefec400e35789c3ffb9fbdd1ee534d9

Modified Files
--------------
src/pl/plperl/plperl.c |    2 +-
1 files changed, 1 insertions(+), 1 deletions(-)

pgsql-committers by date

Next:	From: Alvaro Herrera	Date: 2012-03-19 20:56:42
	Subject: pgsql: pg_dump: fix double free of query results
Previous:	From: Bruce Momjian	Date: 2012-03-19 13:32:05
	Subject: pgsql: In pg_upgrade, remove dependency on pg_config,as that might not