Update ImGui.cpp

Author: Madman10K

Framework/Renderer/ImGui/ImGui.cpp

@@ -79,6 +79,7 @@ void UImGui::GUIRenderer::init(GLFWwindow* glfwwindow, const FString& ini)
     ImGuiIO& io = ImGui::GetIO(); (void)io;
     io.ConfigFlags |= ImGuiConfigFlags_DockingEnable | ImGuiConfigFlags_ViewportsEnable;
     io.BackendFlags |= ImGuiBackendFlags_HasMouseCursors;
+    io.IniFilename = nullptr;
     io.WantSaveIniSettings = false;
     io.ConfigViewportsNoTaskBarIcon = true;
     io.ConfigUseDefaultMouseCursors = true;
@@ -241,4 +242,4 @@ void UImGui::GUIRenderer::beginUI(float deltaTime)
         ImGui::RenderPlatformWindowsDefault();
         glfwMakeContextCurrent(backup_current_context);
     }
-}
+}