git-jump: ignore (custom) prefix in diff mode Matching the default file prefix b/ does not yield any results if config option diff.noprefix or diff.mnemonicprefix is enabled. Signed-off-by: Mischa POSLAWSKY <git@shiar.nl> Acked-by: Jeff King <peff@peff.net> Signed-off-by: Junio C Hamano <gitster@pobox.com>