switch ->create() to umode_t

vfs_create() ignores everything outside of 16bit subset of its
mode argument; switching it to umode_t is obviously equivalent
and it's the only caller of the method

Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
diff --git a/fs/ext4/namei.c b/fs/ext4/namei.c
index e506746..77306f3 100644
--- a/fs/ext4/namei.c
+++ b/fs/ext4/namei.c
@@ -1736,7 +1736,7 @@
  * If the create succeeds, we fill in the inode information
  * with d_instantiate().
  */
-static int ext4_create(struct inode *dir, struct dentry *dentry, int mode,
+static int ext4_create(struct inode *dir, struct dentry *dentry, umode_t mode,
 		       struct nameidata *nd)
 {
 	handle_t *handle;