debugfs-related mode_t whack-a-mole

all of those should be umode_t...

Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
diff --git a/fs/debugfs/file.c b/fs/debugfs/file.c
index ef023ee..21e93605 100644
--- a/fs/debugfs/file.c
+++ b/fs/debugfs/file.c
@@ -611,7 +611,7 @@
  * %NULL or !%NULL instead as to eliminate the need for #ifdef in the calling
  * code.
  */
-struct dentry *debugfs_create_regset32(const char *name, mode_t mode,
+struct dentry *debugfs_create_regset32(const char *name, umode_t mode,
 				       struct dentry *parent,
 				       struct debugfs_regset32 *regset)
 {