libgd: add vpx patch prefixing some constanta
libgd: add vpx patch prefixing some constanta

attila-lendvai/lambdanative,youprofit/lambdanative,gale320/lambdanative,emacstheviking/lambdanative,VincentToups/lambdanative,youprofit/lambdanative,VincentToups/lambdanative,gale320/lambdanative,attila-lendvai/lambdanative,youprofit/lambdanative,emacstheviking/lambdanative,VincentToups/lambdanative,youprofit/lambdanative,gale320/lambdanative,attila-lendvai/lambdanative,VincentToups/lambdanative,emacstheviking/lambdanative,emacstheviking/lambdanative,emacstheviking/lambdanative,attila-lendvai/lambdanative,gale320/lambdanative,gale320/lambdanative,attila-lendvai/lambdanative,youprofit/lambdanative,VincentToups/lambdanative