[PATCH] correct error message for failed clone ns

If copy_namespace() returns -EPERM, copy_process() will
return a confusing -ENOMEM. This fixes that.

Andries

----------------------------------------------------------------
diff -u --recursive --new-file -X /linux/dontdiff a/kernel/fork.c b/kernel/fork.c
--- a/kernel/fork.c	Sat Apr 19 18:27:16 2003
+++ b/kernel/fork.c	Sat Apr 19 18:27:07 2003
@@ -873,7 +873,8 @@
 		goto bad_fork_cleanup_sighand;
 	if (copy_mm(clone_flags, p))
 		goto bad_fork_cleanup_signal;
-	if (copy_namespace(clone_flags, p))
+	retval = copy_namespace(clone_flags, p);
+	if (retval)
 		goto bad_fork_cleanup_mm;
 	retval = copy_thread(0, clone_flags, stack_start, stack_size, p, regs);
 	if (retval)