Log Message:
-----------
Fix memory leak in plperl_hash_from_tuple(), per report from Jean-Max Reymond.
Modified Files:
--------------
pgsql/src/pl/plperl:
plperl.c (r1.78 -> r1.79)
(http://developer.postgresql.org/cvsweb.cgi/pgsql/src/pl/plperl/plperl.c.diff?r1=1.78&r2=1.79)