Plot: Fixed error in 5e3a1de (#2387)

imgui_widgets.cpp

@@ -5344,7 +5344,7 @@ void ImGui::PlotEx(ImGuiPlotType plot_type, const char* label, float (*values_ge
     RenderFrame(frame_bb.Min, frame_bb.Max, GetColorU32(ImGuiCol_FrameBg), true, style.FrameRounding);
 
     const int values_count_min = (plot_type == ImGuiPlotType_Lines) ? 2 : 1;
-    if (values_count >= 1)//values_count_min)
+    if (values_count >= values_count_min)
     {
         int res_w = ImMin((int)frame_size.x, values_count) + ((plot_type == ImGuiPlotType_Lines) ? -1 : 0);
         int item_count = values_count + ((plot_type == ImGuiPlotType_Lines) ? -1 : 0);