switch ->mknod() to umode_t

Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
diff --git a/fs/ecryptfs/inode.c b/fs/ecryptfs/inode.c
index 81e6542..be20cbf 100644
--- a/fs/ecryptfs/inode.c
+++ b/fs/ecryptfs/inode.c
@@ -607,7 +607,7 @@
 }
 
 static int
-ecryptfs_mknod(struct inode *dir, struct dentry *dentry, int mode, dev_t dev)
+ecryptfs_mknod(struct inode *dir, struct dentry *dentry, umode_t mode, dev_t dev)
 {
 	int rc;
 	struct dentry *lower_dentry;