Demo: Fixed overlay demo keeps resizing (in case, e.g.: font changes)

imgui_demo.cpp

@@ -2123,7 +2123,7 @@ static void ShowExampleAppFixedOverlay(bool* p_open)
     ImVec2 window_pos_pivot = ImVec2((corner & 1) ? 1.0f : 0.0f, (corner & 2) ? 1.0f : 0.0f);
     ImGui::SetNextWindowPos(window_pos, ImGuiCond_Always, window_pos_pivot);
     ImGui::PushStyleColor(ImGuiCol_WindowBg, ImVec4(0.0f, 0.0f, 0.0f, 0.3f));
-    if (ImGui::Begin("Example: Fixed Overlay", p_open, ImGuiWindowFlags_NoTitleBar|ImGuiWindowFlags_NoResize|ImGuiWindowFlags_NoMove|ImGuiWindowFlags_NoSavedSettings))
+    if (ImGui::Begin("Example: Fixed Overlay", p_open, ImGuiWindowFlags_NoTitleBar|ImGuiWindowFlags_NoResize|ImGuiWindowFlags_AlwaysAutoResize|ImGuiWindowFlags_NoMove|ImGuiWindowFlags_NoSavedSettings))
     {
         ImGui::Text("Simple overlay\nin the corner of the screen.\n(right-click to change position)");
         ImGui::Separator();