Fixing compiler errors for GDAL versions < 2.0
Fixing compiler errors for GDAL versions < 2.0

naturalatlas/node-gdal,jdesboeufs/node-gdal,jdesboeufs/node-gdal,naturalatlas/node-gdal,jdesboeufs/node-gdal,jwoyame/node-gdal,nbuchanan/node-gdal,naturalatlas/node-gdal,jdesboeufs/node-gdal,jwoyame/node-gdal,jwoyame/node-gdal,nbuchanan/node-gdal,nbuchanan/node-gdal,jwoyame/node-gdal,naturalatlas/node-gdal,nbuchanan/node-gdal