fix signature, add missing 'const'

GeoModelIO/GeoModelRead/GeoModelRead/ReadGeoModel.tpp

@@ -21,7 +21,7 @@
 
 namespace GeoModelIO {
 
-    template <typename T, class N> std::map<T,N> ReadGeoModel::getPublishedNodes(std::string publisherName, bool doCheckTable /*optional variables*/, bool optionalTable /*optional variables*/) 
+    template <typename T, class N> std::map<T,N> ReadGeoModel::getPublishedNodes(std::string publisherName, const bool doCheckTable /*optional variables*/, const bool optionalTable /*optional variables*/) 
     {
         std::map<T, N> mapNodes;
         std::string keyType = "";