Fixed unreferenced variable warnings.

imgui.cpp

@@ -3747,9 +3747,9 @@ bool ImGui::BeginPopupModal(const char* name, bool* p_open, ImGuiWindowFlags ext
 
 void ImGui::EndPopup()
 {
-    ImGuiWindow* window = GetCurrentWindow();
+    ImGuiContext& g = *GImGui; (void)g;
-    IM_ASSERT(window->Flags & ImGuiWindowFlags_Popup);  // Mismatched BeginPopup()/EndPopup() calls
+    IM_ASSERT(g.CurrentWindow->Flags & ImGuiWindowFlags_Popup);  // Mismatched BeginPopup()/EndPopup() calls
-    IM_ASSERT(GImGui->CurrentPopupStack.Size > 0);
+    IM_ASSERT(g.CurrentPopupStack.Size > 0);
     End();
 }
 
@@ -4278,7 +4278,6 @@ bool ImGui::Begin(const char* name, bool* p_open, ImGuiWindowFlags flags)
             window->WindowPadding = ImVec2(0.0f, (flags & ImGuiWindowFlags_MenuBar) ? style.WindowPadding.y : 0.0f);
         const float window_rounding = window->WindowRounding;
         const float window_border_size = window->WindowBorderSize;
-        const ImVec2 window_padding = window->WindowPadding;
 
         // Calculate auto-fit size, handle automatic resize
         const ImVec2 size_auto_fit = CalcSizeAutoFit(window);