GBA RR: Fix VBM handling of lag frames
GBA RR: Fix VBM handling of lag frames

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