Log Message:
-----------
Cast NULL to a pointer type in the execl() call, to avoid a compiler warning on
some platforms and possibly a bug. Per report from Stefan and subsequent
discussion.
Modified Files:
--------------
pgsql/src/test/regress:
pg_regress.c (r1.35 -> r1.36)
(http://developer.postgresql.org/cvsweb.cgi/pgsql/src/test/regress/pg_regress.c.diff?r1=1.35&r2=1.36)