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/gtk/checkbox.cpp

@@ -171,7 +171,7 @@ void wxCheckBox::SetValue( bool state )
 
     if (state == GetValue())
         return;
- 
+
     GTKDisableEvents();
 
     gtk_toggle_button_set_active( GTK_TOGGLE_BUTTON(m_widgetCheckbox), state );