[mq]: Mingw32 fix

intrin.h is not required nor supported by mingw32.  It is present (and supported) on mingw-w64 builds, even those for 32-bit systems, but here too it's not required on 32-bit systems.  So if we're on mingw, and it's 64-bit, then and only then is the intrin.h inclusion necessary.
1 file changed