Add missing newline in perf usage
Add missing newline in perf usage

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