fix permissions for /run/lock

If /run/lock is a directory, set the ownership and permissions for it,
whether or not we created the directory.

sh/init.sh.Linux.in

@@ -106,6 +106,8 @@ if [ -d /run ]; then
 	fi
 	if [ ! -d /run/lock ]; then
 		mkdir /run/lock
+	fi
+	if [ -d /run/lock ]; then
 		chown root:uucp /run/lock
 		chmod 0775 /run/lock
 	fi