[MERGE][0.15] regression fix: on win32 broken pipe sometimes produce IOError traceback (with errno=22)

[John Arbash Meinel]

John Arbash Meinel has voted +1.
Status is now: Approved
Comment:
The old fix was to just not call flush() if we new that we were exiting 
because of an exception such as this.

However, I think your fix is correct, since I think we should be calling 
sys.stdout.flush() if we are going to be using os._exit().


For details, see: 
http://bundlebuggy.aaronbentley.com/request/%3Ces4ihj%24dcf%241%40sea.gmane.org%3E