Enable VirtualLock on MinGW builds
Enable VirtualLock on MinGW builds

For some reason one of the blocks was guarded to be MSVC only,
but it works fine on MinGW also.

randombit/botan,webmaster128/botan,randombit/botan,webmaster128/botan,randombit/botan,webmaster128/botan,randombit/botan,webmaster128/botan,randombit/botan,webmaster128/botan