Since version 1.467 of /etc/rc, it was no longer possible to add

shlib_dirs using /etc/rc.conf.local.
Fix from Jan Johansson, thanks.
OK krw@, halex@

src/etc/rc

@@ -1,4 +1,4 @@
-#	$OpenBSD: rc,v 1.470 2015/11/27 03:53:28 deraadt Exp $
+#	$OpenBSD: rc,v 1.471 2015/12/02 20:39:57 rpe Exp $
 
 # System startup script run by init on autoboot or after single-user.
 # Output and error are redirected to console by init, and the console is the
@@ -442,7 +442,7 @@ fi
 
 if [[ -x /sbin/ldconfig ]]; then
 	echo 'creating runtime link editor directory cache.'
-	[[ -d /usr/local/lib ]] && shlib_dirs="/usr/local/lib"
+	[[ -d /usr/local/lib ]] && shlib_dirs="/usr/local/lib $shlib_dirs"
 	[[ -d /usr/X11R6/lib ]] && shlib_dirs="/usr/X11R6/lib $shlib_dirs"
 	ldconfig $shlib_dirs
 fi