On Windows, silence a Purify warning and initialize the memory passed to CryptGenRandom.
Since python doesn't provide any particular random data, it seems more reasonable anyway.
diff --git a/Modules/posixmodule.c b/Modules/posixmodule.c
index 6af6e51..f18e154 100644
--- a/Modules/posixmodule.c
+++ b/Modules/posixmodule.c
@@ -8250,6 +8250,7 @@
result = PyString_FromStringAndSize(NULL, howMany);
if (result != NULL) {
/* Get random data */
+ memset(PyString_AS_STRING(result), 0, howMany); /* zero seed */
if (! pCryptGenRandom(hCryptProv, howMany, (unsigned char*)
PyString_AS_STRING(result))) {
Py_DECREF(result);