No real changes, just clean up sources by removing trailing spaces from all the non-generated files. This should hopefully avoid future commits mixing significant changes with insignificant whitespace ones.
git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@22729 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775
git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@21704 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775