Update snes9x-gtk to git from 20130125.

	new file:   emulation/snes9x_gtk/snes9x-20130125-desktop.patch.xz
	modified:   emulation/snes9x_gtk/snes9x_gtk.build
Remove old patch...

	deleted:    emulation/snes9x_gtk/snes9x-1.53-src-desktop.patch.xz