(iOS) Fix build - to16Bit ARM routine not iOS ABI-compatible
(iOS) Fix build - to16Bit ARM routine not iOS ABI-compatible

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