Log Message:
-----------
Tweak prettyprinting rules for saner indenting of UNION, INTERSECT,
EXCEPT constructs.
Modified Files:
--------------
pgsql-server/src/backend/utils/adt:
ruleutils.c (r1.179 -> r1.180)
(http://developer.postgresql.org/cvsweb.cgi/pgsql-server/src/backend/utils/adt/ruleutils.c.diff?r1=1.179&r2=1.180)