Examples: Vulkan: Fixed GLFW+Vulkan and SDL+Vulkan clear color not being set. Broken by a06eb833 (#3390)

examples/example_sdl_vulkan/main.cpp

@@ -513,6 +513,7 @@ int main(int, char**)
         const bool is_minimized = (draw_data->DisplaySize.x <= 0.0f || draw_data->DisplaySize.y <= 0.0f);
         if (!is_minimized)
         {
+            memcpy(&wd->ClearValue.color.float32[0], &clear_color, 4 * sizeof(float));
             FrameRender(wd, draw_data);
             FramePresent(wd);
         }