[Ohrrpgce] SVN: teeemcee/10773 gfx_readjoysane can return up to 32 buttons: switch to unsigned int for

[subversion at HamsterRepublic.com]

teeemcee
2018-10-23 05:12:15 -0700 (Tue, 23 Oct 2018)
79
gfx_readjoysane can return up to 32 buttons: switch to unsigned int for buttons
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U   wip/backends.bas
U   wip/gfx.bi
U   wip/gfx.h
U   wip/gfx_alleg.bas
U   wip/gfx_console.bas
U   wip/gfx_directx/gfx_directx.cpp
U   wip/gfx_directx/joystick.cpp
U   wip/gfx_directx/joystick.hpp
U   wip/gfx_sdl.bas
U   wip/gfx_sdl2.bas