stop passing nameidata to ->lookup()

Just the flags; only NFS cares even about that, but there are
legitimate uses for such argument.  And getting rid of that
completely would require splitting ->lookup() into a couple
of methods (at least), so let's leave that alone for now...

Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
diff --git a/fs/ntfs/namei.c b/fs/ntfs/namei.c
index 358273e..436f360 100644
--- a/fs/ntfs/namei.c
+++ b/fs/ntfs/namei.c
@@ -101,7 +101,7 @@
  * Locking: Caller must hold i_mutex on the directory.
  */
 static struct dentry *ntfs_lookup(struct inode *dir_ino, struct dentry *dent,
-		struct nameidata *nd)
+		unsigned int flags)
 {
 	ntfs_volume *vol = NTFS_SB(dir_ino->i_sb);
 	struct inode *dent_inode;