appveyor: fix key decoding
appveyor: fix key decoding

zzuegg/jmonkeyengine,GreenCubes/jmonkeyengine,atomixnmc/jmonkeyengine,GreenCubes/jmonkeyengine,jMonkeyEngine/jmonkeyengine,atomixnmc/jmonkeyengine,jMonkeyEngine/jmonkeyengine,zzuegg/jmonkeyengine,atomixnmc/jmonkeyengine,GreenCubes/jmonkeyengine,zzuegg/jmonkeyengine,zzuegg/jmonkeyengine,atomixnmc/jmonkeyengine,jMonkeyEngine/jmonkeyengine,atomixnmc/jmonkeyengine,jMonkeyEngine/jmonkeyengine,GreenCubes/jmonkeyengine,atomixnmc/jmonkeyengine