upstream commit

Use $SUDO to read pidfile in case root's umask is
restricted.  From portable.

Upstream-Regress-ID: f6b1c7ffbc5a0dfb7d430adb2883344899174a98
diff --git a/regress/reexec.sh b/regress/reexec.sh
index 5c0a7b4..6ac648f 100644
--- a/regress/reexec.sh
+++ b/regress/reexec.sh
@@ -1,4 +1,4 @@
-#	$OpenBSD: reexec.sh,v 1.8 2015/03/03 22:35:19 markus Exp $
+#	$OpenBSD: reexec.sh,v 1.9 2016/12/15 23:50:37 dtucker Exp $
 #	Placed in the Public Domain.
 
 tid="reexec tests"