VFS: trivial: fix comment on s_maxbytes value warning check

I originally intended to remove this warning in 2.6.34, but it's not in
a high performance codepath and might help us to catch bugs later. Let's
keep it, but fix the comment to allay confusion about its removal.

Signed-off-by: Jeff Layton <jlayton@redhat.com>
Signed-off-by: Steve French <sfrench@us.ibm.com>
diff --git a/fs/super.c b/fs/super.c
index 8a06881..c04f7e0 100644
--- a/fs/super.c
+++ b/fs/super.c
@@ -948,8 +948,7 @@
 	 * filesystems should never set s_maxbytes larger than MAX_LFS_FILESIZE
 	 * but s_maxbytes was an unsigned long long for many releases. Throw
 	 * this warning for a little while to try and catch filesystems that
-	 * violate this rule. This warning should be either removed or
-	 * converted to a BUG() in 2.6.34.
+	 * violate this rule.
 	 */
 	WARN((sb->s_maxbytes < 0), "%s set sb->s_maxbytes to "
 		"negative value (%lld)\n", type->name, sb->s_maxbytes);