The new version of wxWidgets(3.1.0) does not trigger the HAVE_WX29 define.
This change would allow compilation with all versions of wxWidgets 3, which I don't see reverting back to ascii as time continues.
Merge pull request #302 from jgleesawn/master

The new version of wxWidgets(3.1.0) does not trigger the HAVE_WX29 define