VFS: Fix Windows build
VFS: Fix Windows build

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