switch security_path_chmod() to umode_t

Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
diff --git a/security/security.c b/security/security.c
index 8cc0f0c..3635a13 100644
--- a/security/security.c
+++ b/security/security.c
@@ -455,7 +455,7 @@
 }
 
 int security_path_chmod(struct dentry *dentry, struct vfsmount *mnt,
-			mode_t mode)
+			umode_t mode)
 {
 	if (unlikely(IS_PRIVATE(dentry->d_inode)))
 		return 0;