Fix wxRichTextCtrl test compilation.

Work around broken pre-C++98 for loop scoping rules in VC6.

See #15184.

git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@73951 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775
Continue bisecting tests crash in PPC OS X builds.

Disable more wxAny tests.

git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@73952 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775