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

Signed-off-by: Jeff Garzik <jeff@garzik.org>
diff --git a/fs/autofs4/autofs_i.h b/fs/autofs4/autofs_i.h
index d6603d0..480ab17 100644
--- a/fs/autofs4/autofs_i.h
+++ b/fs/autofs4/autofs_i.h
@@ -40,8 +40,6 @@
 #define DPRINTK(fmt,args...) do {} while(0)
 #endif
 
-#define AUTOFS_SUPER_MAGIC 0x0187
-
 /* Unified info structure.  This is pointed to by both the dentry and
    inode structures.  Each file in the filesystem has an instance of this
    structure.  It holds a reference to the dentry, so dentries are never
diff --git a/fs/autofs4/inode.c b/fs/autofs4/inode.c
index fde78b1..11a6a9a 100644
--- a/fs/autofs4/inode.c
+++ b/fs/autofs4/inode.c
@@ -19,6 +19,7 @@
 #include <linux/parser.h>
 #include <linux/bitops.h>
 #include <linux/smp_lock.h>
+#include <linux/magic.h>
 #include "autofs_i.h"
 #include <linux/module.h>