Move several *_SUPER_MAGIC symbols to include/linux/magic.h.

Signed-off-by: Jeff Garzik <jeff@garzik.org>
diff --git a/include/linux/ext3_fs.h b/include/linux/ext3_fs.h
index 9f9cce7..0eed918 100644
--- a/include/linux/ext3_fs.h
+++ b/include/linux/ext3_fs.h
@@ -17,6 +17,7 @@
 #define _LINUX_EXT3_FS_H
 
 #include <linux/types.h>
+#include <linux/magic.h>
 
 /*
  * The second extended filesystem constants/structures
@@ -67,11 +68,6 @@
 #define EXT3_GOOD_OLD_FIRST_INO	11
 
 /*
- * The second extended file system magic number
- */
-#define EXT3_SUPER_MAGIC	0xEF53
-
-/*
  * Maximal count of links to a file
  */
 #define EXT3_LINK_MAX		32000