* Update snes9x-gtk to the latest GIT snapshot
* Update the build to the latest standards

	renamed:    emulation/snes9x_gtk/snes9x-20130125-desktop.patch.xz -> emulation/snes9x_gtk/snes9x-20130503-desktop.patch.xz
	modified:   emulation/snes9x_gtk/snes9x_gtk.build