switch ->mknod() to umode_t

Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
diff --git a/fs/ramfs/inode.c b/fs/ramfs/inode.c
index c2ed2a3..145680e 100644
--- a/fs/ramfs/inode.c
+++ b/fs/ramfs/inode.c
@@ -92,7 +92,7 @@
  */
 /* SMP-safe */
 static int
-ramfs_mknod(struct inode *dir, struct dentry *dentry, int mode, dev_t dev)
+ramfs_mknod(struct inode *dir, struct dentry *dentry, umode_t mode, dev_t dev)
 {
 	struct inode * inode = ramfs_get_inode(dir->i_sb, dir, mode, dev);
 	int error = -ENOSPC;