Issue #18065: For frozen packages set __path__ to []. Previously __path__ was set to [__name__], but that could lead to bad results if someone managed to circumvent the frozen importer and somehow ended up with a finder that thought __name__ was a legit directory/location.

#include "Python.h"

#ifndef PLATFORM
#define PLATFORM "unknown"
#endif

const char *
Py_GetPlatform(void)
{
	return PLATFORM;
}