OGR : support reading OFTInteger64/OFTInteger64List

plugins/input/ogr/ogr_datasource.cpp

@@ -330,7 +330,6 @@ void ogr_datasource::init(mapnik::parameters const& params)
 
             const std::string fld_name = fld->GetNameRef();
             const OGRFieldType type_oid = fld->GetType();
-
             switch (type_oid)
             {
             case OFTInteger:

plugins/input/ogr/ogr_featureset.cpp

@@ -125,6 +125,9 @@ feature_ptr ogr_featureset::next()
             switch (type_oid)
             {
             case OFTInteger:
+#if GDAL_VERSION_MAJOR >= 2
+            case OFTInteger64:
+#endif
             {
                 feature->put<mapnik::value_integer>( fld_name, poFeature->GetFieldAsInteger(i));
                 break;
@@ -144,6 +147,9 @@ feature_ptr ogr_featureset::next()
             }
 
             case OFTIntegerList:
+#if GDAL_VERSION_MAJOR >= 2
+            case OFTInteger64List:
+#endif
             case OFTRealList:
             case OFTStringList:
             case OFTWideStringList: // deprecated !