VFS: Use / as the path separator on Windows
VFS: Use / as the path separator on Windows

MerryMage/mgba,Iniquitatis/mgba,iracigt/mgba,sergiobenrocha2/mgba,libretro/mgba,AdmiralCurtiss/mgba,Touched/mgba,MerryMage/mgba,Anty-Lemon/mgba,Iniquitatis/mgba,jeremyherbert/mgba,sergiobenrocha2/mgba,iracigt/mgba,iracigt/mgba,MerryMage/mgba,libretro/mgba,fr500/mgba,sergiobenrocha2/mgba,mgba-emu/mgba,sergiobenrocha2/mgba,jeremyherbert/mgba,libretro/mgba,Iniquitatis/mgba,fr500/mgba,fr500/mgba,Anty-Lemon/mgba,mgba-emu/mgba,iracigt/mgba,Iniquitatis/mgba,libretro/mgba,Touched/mgba,AdmiralCurtiss/mgba,AdmiralCurtiss/mgba,fr500/mgba,jeremyherbert/mgba,mgba-emu/mgba,jeremyherbert/mgba,sergiobenrocha2/mgba,libretro/mgba,mgba-emu/mgba,Touched/mgba,Anty-Lemon/mgba,Anty-Lemon/mgba