fabpot/Silex — pull request #250 by lyrixx (2012-02-11 18:23:57+00:00)
Title: Fix update_vendors.sh

If something bad happen during a `git fetch` (ie : if github is down ...) , the script will not return in parent folder.
So it could make weird / not expected things.

Note : I did not test this code on Max OS platform, only on *nix