Viewport, Platforms: SDL: Fixed initial focus click being ignored as a mouse button. GLFW: Fixed mouse cursor support for multi-viewport with GLFW 3.3 (current master) - somehow doesn't appear to work with GLFW 3.2 but I'm not too fussed about it. (#1542)

examples/imgui_impl_dx10.cpp

@@ -521,7 +521,6 @@ static void ImGui_ImplDX10_CreateWindow(ImGuiViewport* viewport)
     ImGuiViewportDataDx10* data = IM_NEW(ImGuiViewportDataDx10)();
     viewport->RendererUserData = data;
 
-    // FIXME-PLATFORM
     HWND hwnd = (HWND)viewport->PlatformHandle;
     IM_ASSERT(hwnd != 0);