3e075586ead63816d93c5df5871a4a11bbd85edd ("To prevent undesirable release of
analogue joystick while using touchpad.") used SDLKLSUPER from SDL1.2 which is
not used anymore in mupen64plus-input-sdl. Instead SDL2 keys must be used and
only the SDL1.2 compatibility wrapper can reference SDLK*
3e075586ead63816d93c5df5871a4a11bbd85edd ("To prevent undesirable release of analogue joystick while using touchpad.") used SDLKLSUPER from SDL1.2 which is not used anymore in mupen64plus-input-sdl. Instead SDL2 keys must be used and only the SDL1.2 compatibility wrapper can reference SDLK*