[XFS] Fix broken HAVE_SPLICE removal commit.

Commit e687330b5ed1ea899fdaf0dea50aba196b6e019a was meant to remove the
unused HAVE_SPLICE macro, instead an unrelated change was checked enabling
QUOTADEBUG when building DEBUG XFS. Restore the intended changes.

SGI-PV: 971046
SGI-Modid: xfs-linux-melb:xfs-kern:30924a

Signed-off-by: Donald Douwsma <donaldd@sgi.com>
Signed-off-by: Barry Naujok <bnaujok@sgi.com>
Signed-off-by: Lachlan McIlroy <lachlan@sgi.com>
diff --git a/fs/xfs/xfs.h b/fs/xfs/xfs.h
index 765aaf6..540e4c9 100644
--- a/fs/xfs/xfs.h
+++ b/fs/xfs/xfs.h
@@ -22,7 +22,7 @@
 #define STATIC
 #define DEBUG 1
 #define XFS_BUF_LOCK_TRACKING 1
-#define QUOTADEBUG 1
+/* #define QUOTADEBUG 1 */
 #endif
 
 #ifdef CONFIG_XFS_TRACE