Disable recursive interception for tzset in MSan
This fixes sanitization of this library call on NetBSD.
Extracted as a part of D42050.
@@ -1072,6 +1072,7 @@ extern char *tzname[2];
INTERCEPTOR(void, tzset, int fake) {
ENSURE_MSAN_INITED();
+ InterceptorScope interceptor_scope;
REAL(tzset)(fake);
if (tzname[0])
__msan_unpoison(tzname[0], REAL(strlen)(tzname[0]) + 1);
