Log Message:
-----------
Trivial fixes for English grammar in contrib/btree_gist and contrib/rtree_gist
documentation.
Modified Files:
--------------
pgsql/contrib/btree_gist:
README.btree_gist (r1.4 -> r1.5)
(http://developer.postgresql.org/cvsweb.cgi/pgsql/contrib/btree_gist/README.btree_gist.diff?r1=1.4&r2=1.5)
pgsql/contrib/rtree_gist:
README.rtree_gist (r1.2 -> r1.3)
(http://developer.postgresql.org/cvsweb.cgi/pgsql/contrib/rtree_gist/README.rtree_gist.diff?r1=1.2&r2=1.3)