Util: Fix warnings on Windows
Util: Fix warnings on Windows

askotx/mgba,nattthebear/mgba,fr500/mgba,Anty-Lemon/mgba,sergiobenrocha2/mgba,libretro/mgba,AdmiralCurtiss/mgba,sergiobenrocha2/mgba,libretro/mgba,sergiobenrocha2/mgba,Iniquitatis/mgba,jeremyherbert/mgba,askotx/mgba,zerofalcon/mgba,Touched/mgba,fr500/mgba,MerryMage/mgba,libretro/mgba,jeremyherbert/mgba,jeremyherbert/mgba,iracigt/mgba,Iniquitatis/mgba,sergiobenrocha2/mgba,libretro/mgba,Iniquitatis/mgba,bentley/mgba,AdmiralCurtiss/mgba,Anty-Lemon/mgba,fr500/mgba,Touched/mgba,iracigt/mgba,iracigt/mgba,askotx/mgba,Touched/mgba,fr500/mgba,matthewbauer/mgba,askotx/mgba,jeremyherbert/mgba,cassos/mgba,AdmiralCurtiss/mgba,mgba-emu/mgba,nattthebear/mgba,zerofalcon/mgba,Iniquitatis/mgba,sergiobenrocha2/mgba,zerofalcon/mgba,cassos/mgba,iracigt/mgba,bentley/mgba,libretro/mgba,cassos/mgba,MerryMage/mgba,Anty-Lemon/mgba,mgba-emu/mgba,matthewbauer/mgba,mgba-emu/mgba,mgba-emu/mgba,MerryMage/mgba,Anty-Lemon/mgba