Only run msgs -c if /var/msgs exists and is not a symlink.

src/etc/daily

@@ -1,6 +1,6 @@
 #!/bin/sh -
 #
-#	$OpenBSD: daily,v 1.25 1998/08/13 21:57:39 millert Exp $
+#	$OpenBSD: daily,v 1.26 1998/11/11 11:23:02 downsj Exp $
 #	From: @(#)daily	8.2 (Berkeley) 1/25/94
 #
 PATH=/bin:/usr/bin:/sbin:/usr/sbin:/usr/local/bin
@@ -72,7 +72,9 @@ if egrep -qv '\.core$' $TMP; then
 	egrep -v '\.core$' $TMP
 fi
 
-msgs -c
+if [ -d /var/msgs -a ! -L /var/msgs ]; then
+	msgs -c
+fi
 
 if [ -s /etc/news.expire ]; then
 	/etc/news.expire