build fix

src/assets/asset_loaders.cpp

@@ -31,7 +31,7 @@ bool assetload::texture(Assets* assets,
 
 bool assetload::shader(Assets* assets, 
                         const path filename, 
-                        const string& name) {
+                        const string name) {
     path vertexFile = filename;
     path fragmentFile = filename;
     vertexFile.append(".glslv");