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

Signed-off-by: Jeff Garzik <jeff@garzik.org>
diff --git a/include/linux/coda_psdev.h b/include/linux/coda_psdev.h
index 98f6c52..b541bb3 100644
--- a/include/linux/coda_psdev.h
+++ b/include/linux/coda_psdev.h
@@ -1,11 +1,11 @@
 #ifndef __CODA_PSDEV_H
 #define __CODA_PSDEV_H
 
+#include <linux/magic.h>
+
 #define CODA_PSDEV_MAJOR 67
 #define MAX_CODADEVS  5	   /* how many do we allow */
 
-#define CODA_SUPER_MAGIC	0x73757245
-
 struct kstatfs;
 
 struct coda_sb_info