GL30 renderer: Demote 'slow' non-texture-array path notice from error to warning
GL30 renderer: Demote 'slow' non-texture-array path notice from error to warning

pmprog/OpenApoc,FranciscoDA/OpenApoc,FranciscoDA/OpenApoc,steveschnepp/OpenApoc,FranciscoDA/OpenApoc,ShadowDancer/OpenApoc,ShadowDancer/OpenApoc,steveschnepp/OpenApoc,AndO3131/OpenApoc,Istrebitel/OpenApoc,Istrebitel/OpenApoc,pmprog/OpenApoc,AndO3131/OpenApoc,AndO3131/OpenApoc