set up the correct layout direction for memory dc in Render() (patch 1789359)

git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@50846 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775

src/aui/auibook.cpp

@@ -1611,6 +1611,11 @@ void wxAuiTabContainer::Render(wxDC* raw_dc, wxWindow* wnd)
         return;
 
     wxMemoryDC dc;
+
+    // use the same layout direction as the window DC uses to ensure that the
+    // text is rendered correctly
+    dc.SetLayoutDirection(raw_dc->GetLayoutDirection());
+
     wxBitmap bmp;
     size_t i;
     size_t page_count = m_pages.GetCount();