Refactor: Moved one indentation level in the bulk of the ShowMetricsWindow() function. Should appear as a small diff if whitespaces changes are ignored. (#2036)

imgui.cpp

@@ -8753,8 +8753,11 @@ static void ImeSetInputScreenPosFn_DefaultImpl(int, int) {}
 
 void ImGui::ShowMetricsWindow(bool* p_open)
 {
-    if (ImGui::Begin("ImGui Metrics", p_open))
+    if (!ImGui::Begin("ImGui Metrics", p_open))
     {
+        ImGui::End();
+        return;
+    }
     static bool show_draw_cmd_clip_rects = true;
     static bool show_window_begin_order = false;
     ImGuiIO& io = ImGui::GetIO();
@@ -8945,7 +8948,6 @@ void ImGui::ShowMetricsWindow(bool* p_open)
             overlay_draw_list->AddText(NULL, font_size, window->Pos, IM_COL32(255, 255, 255, 255), buf);
         }
     }
-    }
     ImGui::End();
 }