SF patch #467430.

- replace some log_error() calls with log_message()

- flush self.rfile before forking too (hope this works on Windows)
diff --git a/Misc/ACKS b/Misc/ACKS
index 074fa94..0ae72c3 100644
--- a/Misc/ACKS
+++ b/Misc/ACKS
@@ -301,6 +301,7 @@
 Hrvoje Niksic
 Bill Noon
 Stefan Norberg
+Joe Norton
 Neal Norwitz
 Jeffrey Ollie
 Nigel O'Brian