Put back gnu99 standard, we use some of the features
Put back gnu99 standard, we use some of the features

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