tab draw happens right away when you set the caption

git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@40262 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775

src/aui/auibook.cpp

@@ -1126,9 +1126,9 @@ bool wxAuiMultiNotebook::SetPageText(size_t page_idx, const wxString& text)
         wxAuiNotebookPage& info = ctrl->GetPage(ctrl_idx);
         info.caption = text;
         ctrl->Refresh();
+        ctrl->Update();
     }
 
-
     return true;
 }