* lisp/vc/vc-git.el (vc-git-revert-files):
* lisp/vc/vc-hg.el (vc-hg-revert-files):
* lisp/vc/vc.el (vc-revert-files): New functions.
(vc-revert-files): Incorporate vc-revert's calls to message here
so that the messages are displayed more consistently.
(vc-next-action, vc-default-checkin-patch, vc-revert): Use
vc-revert-files instead of vc-revert-file.