While compiler TLS support is simpler to use and much faster than using our
own Win32 API-based TLS implementation, it results in difficult to debug
crashes when used inside a dynamically loaded DLL under Windows XP, so disable
it by default to be safe.
Closes#13116.
git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@75568 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775
8b8dfdde4c