bug: git fetch via http breaks repo on Ctrl-C

Hello,

It happend the third time now that a repository was currupted after
interrupting a git fetch from a http remote.  One of the occurences
(together with the needed fix) can be found here:

	http://article.gmane.org/gmane.linux.kernel.next/14355

It would be nice to get that fixed.

Uwe

-- 
Pengutronix e.K.                           | Uwe Kleine-König            |
Industrial Linux Solutions                 | http://www.pengutronix.de/  |