switch ->mknod() to umode_t

Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
diff --git a/security/security.c b/security/security.c
index 2420eed..8cc0f0c 100644
--- a/security/security.c
+++ b/security/security.c
@@ -521,7 +521,7 @@
 	return security_ops->inode_rmdir(dir, dentry);
 }
 
-int security_inode_mknod(struct inode *dir, struct dentry *dentry, int mode, dev_t dev)
+int security_inode_mknod(struct inode *dir, struct dentry *dentry, umode_t mode, dev_t dev)
 {
 	if (unlikely(IS_PRIVATE(dir)))
 		return 0;