No changes, just removed hard tabs and trailing white space.

This commit is huge but there are no non-white-space changes in it.

Some files containing third-party sources (src/msw/wince/time.cpp,
src/x11/pango*.cpp) were left unchanged.

git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@61724 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775

src/msw/listbox.cpp

@@ -254,7 +254,7 @@ WXDWORD wxListBox::MSWGetStyle(long style, WXDWORD *exstyle) const
 void wxListBox::OnInternalIdle()
 {
     wxWindow::OnInternalIdle();
-    
+
     if (m_updateHorizontalExtent)
     {
         SetHorizontalExtent(wxEmptyString);