vfs: spread struct mount - clone_mnt/copy_tree argument

Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
diff --git a/fs/pnode.h b/fs/pnode.h
index 3f9ab4f..609ec00 100644
--- a/fs/pnode.h
+++ b/fs/pnode.h
@@ -41,7 +41,7 @@
 			struct vfsmount *);
 void release_mounts(struct list_head *);
 void umount_tree(struct mount *, int, struct list_head *);
-struct mount *copy_tree(struct vfsmount *, struct dentry *, int);
+struct mount *copy_tree(struct mount *, struct dentry *, int);
 bool is_path_reachable(struct vfsmount *, struct dentry *,
 			 const struct path *root);
 #endif /* _LINUX_PNODE_H */