Log Message:-----------Revert mistaken #include change, per Merlin Moncure.
Modified Files:-------------- pgsql-server/src/port: pipe.c (r1.6 -> r1.7) (http://developer.postgresql.org/cvsweb.cgi/pgsql-server/src/port/pipe.c.diff?r1=1.6&r2=1.7)
