Log Message:
-----------
Support functions for index opclasses should be immutable.
Found by running opr_sanity on contrib modules.
Modified Files:
--------------
pgsql/contrib/btree_gist:
btree_gist.sql.in (r1.16 -> r1.17)
(http://developer.postgresql.org/cvsweb.cgi/pgsql/contrib/btree_gist/btree_gist.sql.in?r1=1.16&r2=1.17)