Added missing wxGetFullHostName() and wxNO_DEFAULT for generic msgdialog

git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@2768 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775

samples/richedit/wxlwindow.cpp

@@ -208,6 +208,7 @@ wxLayoutWindow::Clear(int family,
 {
    GetLayoutList()->Clear(family,size,style,weight,underline,fg,bg);
    SetBackgroundColour(GetLayoutList()->GetDefaultStyleInfo().GetBGColour());
+   wxScrolledWindow::Clear();
    ResizeScrollbars(true);
    SetDirty();
    SetModified(false);