GB Video: Fix size of palette array
GB Video: Fix size of palette array

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