Fixed parsing xml attributes

Files/FmuFile.cpp

@@ -48,7 +48,7 @@ namespace Files
 		// Create a property tree from modelDescription.xml
 		pt::ptree desc;
 		pt::read_xml(xmlPath.generic_string(), desc);
-		std::string modelName = desc.get<std::string>("fmiModelDescription.CoSimulation.xmlattr.modelIdentifier");
+		std::string modelName = desc.get<std::string>("fmiModelDescription.CoSimulation.<xmlattr>.modelIdentifier");
 		fs::path binaryPath = fs::path(_unzippedPath) / "binaries";
 
 #ifdef __linux__
@@ -73,7 +73,7 @@ namespace Files
 		// Create a property tree from modelDescription.xml
 		pt::ptree desc;
 		pt::read_xml(xmlPath.generic_string(), desc);
-		return desc.get<std::string>("fmiModelDescription.xmlattr.guid");
+		return desc.get<std::string>("fmiModelDescription.<xmlattr>.guid");
 	}
 	std::string FmuFile::GetResourceUri()
 	{