Missing closing parenthesis in debug popup log (#6177)

imgui.cpp

@@ -9990,7 +9990,7 @@ void ImGui::OpenPopup(const char* str_id, ImGuiPopupFlags popup_flags)
 {
     ImGuiContext& g = *GImGui;
     ImGuiID id = g.CurrentWindow->GetID(str_id);
-    IMGUI_DEBUG_LOG_POPUP("[popup] OpenPopup(\"%s\" -> 0x%08X\n", str_id, id);
+    IMGUI_DEBUG_LOG_POPUP("[popup] OpenPopup(\"%s\" -> 0x%08X)\n", str_id, id);
     OpenPopupEx(id, popup_flags);
 }