Log Message:
-----------
If we're gonna use ExecRelationIsTargetRelation here, might as well
simplify a bit further.
Modified Files:
--------------
pgsql/src/backend/executor:
execUtils.c (r1.148 -> r1.149)
(http://developer.postgresql.org/cvsweb.cgi/pgsql/src/backend/executor/execUtils.c.diff?r1=1.148&r2=1.149)