Replace uses of the obsolete local-write-file-hooks

Replace uses of the obsolete local-write-file-hooks

* lisp/net/quickurl.el (quickurl-reread-hook-postfix):
* lisp/progmodes/ebrowse.el (ebrowse-tree-mode)
(ebrowse-write-file-hook-fn):
* lisp/progmodes/glasses.el (glasses-mode):
* lisp/progmodes/vhdl-mode.el (vhdl-write-file-hooks-init):
* lisp/vc/ediff-merg.el (ediff-set-merge-mode):
* lisp/vc/ediff-util.el (ediff-setup):
Replace local-write-file-hooks, obsolete since 22.1,
with write-file-functions.