[PATCH] menubar selection in mswindows

This at least makes the mswindows menubar Cut, Copy and Paste do the right thing. Activation is not correct as yet since there are no C hooks for determining this. andy 1998-04-27 Andy Piper <andyp(a)parallax.co.uk&gt; * select.el (kill-primary-selection) (selection-owner-p) (copy-primary-selection) (yank-clipboard-selection) (selection-exists-p) (delete-primary-selection): new file and functions that do the right thing for the selected device. * x-menubar.el: use generalised selection functions. * dumped-lisp.el: dump select.el.