convert path to string before c_str

dependencies/subprojects/animationwindow/src/Image.cpp

@@ -47,7 +47,7 @@ TDT4102::Image::Image(const std::filesystem::path pathToImageFile) {
             throw std::runtime_error("The image file located at " + path.string() + "\ncould not be found");
         }
 
-        surface = IMG_Load(pathToImageFile.c_str());
+        surface = IMG_Load(pathToImageFile.string().c_str());
         surface = SDL_ConvertSurfaceFormat(surface, GetPixelFormat(), 0);
         width = surface->w;
         height = surface->h;