message: Fixed unused variable warning.
diff: @@ -11415,7 +11415,7 @@ const ImGuiPayload* ImGui::AcceptDragDropPayload(const char* type, ImGuiDragDrop
  // We don't really use/need this now, but added it for the sake of consistency and because we might need it later.
  void ImGui::EndDragDropTarget()
  {
  - ImGuiContext& g = *GImGui;
  + ImGuiContext& g = *GImGui; (void)g;
  IM_ASSERT(g.DragDropActive);
  }
  