Log Message:
-----------
Update SQL conformance entries for window functions functionality
Modified Files:
--------------
pgsql/src/backend/catalog:
sql_features.txt (r1.38 -> r1.39)
(http://anoncvs.postgresql.org/cvsweb.cgi/pgsql/src/backend/catalog/sql_features.txt?r1=1.38&r2=1.39)