Make sure that the example on how to use git-p4.branchList
works if typed directly. In particular, it does not make sense
to set a config variable until the git repository has been
initialized.
Reported-by: Olivier Delalleau <shish@keba.be> Signed-off-by: Pete Wyckoff <pw@padd.com> Signed-off-by: Junio C Hamano <gitster@pobox.com>