SDL: Fix some embarrassing indentation errors
SDL: Fix some embarrassing indentation errors

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