Off-by-one error in get_path_prefix(), found by Valgrind [jc: original fix was done by Pavel and this contains improvements by Rene.] Signed-off-by: Rene Scharfe <rene.scharfe@lsrfire.ath.cx> Acked-by: Pavel Roskin <proski@gnu.org> Signed-off-by: Junio C Hamano <junkio@cox.net>