* term/x-win.el (x-handle-switch, x-handle-numeric-switch)

* term/x-win.el (x-handle-switch, x-handle-numeric-switch)
(x-handle-initial-switch, x-handle-iconic, x-handle-xrm-switch)
(x-handle-geometry, x-handle-name-switch, x-display-name)
(x-handle-display, x-handle-args, x-colors): Move ...
* term/common-win.el: ... here.  New file.
* term/w32-win.el (x-handle-switch, x-handle-numeric-switch)
(x-handle-initial-switch, x-handle-iconic, x-handle-xrm-switch)
(x-handle-geometry, x-handle-name-switch, x-display-name)
(x-handle-display, x-handle-args, x-colors): Remove.
* loadup.el: Load term/common-win before term/x-win and term/w32-win.