Log Message:
-----------
Fix memory leak for timestamp(with and w/o tz) and indexes
Modified Files:
--------------
pgsql/contrib/btree_gist:
btree_time.c (r1.3 -> r1.4)
(http://developer.postgresql.org/cvsweb.cgi/pgsql/contrib/btree_gist/btree_time.c.diff?r1=1.3&r2=1.4)
btree_ts.c (r1.6 -> r1.7)
(http://developer.postgresql.org/cvsweb.cgi/pgsql/contrib/btree_gist/btree_ts.c.diff?r1=1.6&r2=1.7)