[CIFS] make cifs_dfs_automount_list_static

This patch makes the needlessly global cifs_dfs_automount_list static.

Signed-off-by: Adrian Bunk <bunk@kernel.org>
Signed-off-by: Steve French <sfrench@us.ibm.com>
diff --git a/fs/cifs/cifs_dfs_ref.c b/fs/cifs/cifs_dfs_ref.c
index 56c9240..f53f41f 100644
--- a/fs/cifs/cifs_dfs_ref.c
+++ b/fs/cifs/cifs_dfs_ref.c
@@ -23,7 +23,7 @@
 #include "dns_resolve.h"
 #include "cifs_debug.h"
 
-LIST_HEAD(cifs_dfs_automount_list);
+static LIST_HEAD(cifs_dfs_automount_list);
 
 /*
  * DFS functions