porting fix for non-bundled apps to 3.0.1

git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/branches/WX_3_0_BRANCH@75201 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775
non-unicode fixes

git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/branches/WX_3_0_BRANCH@75202 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775