Log Message:
-----------
fix bug about modifying value in shared buffer,
what was a reason to corrupt index.
Thank to Mario Weilguni <mweilguni(at)sime(dot)com> to
discover a bug.
Modified Files:
--------------
pgsql/contrib/ltree:
ltree_gist.c (r1.16 -> r1.17)
(http://developer.postgresql.org/cvsweb.cgi/pgsql/contrib/ltree/ltree_gist.c.diff?r1=1.16&r2=1.17)