The <pattern> given "git describe --match" was used only to filter tag
objects, and not to filter lightweight tags. This fixes it.
[jc: made the log to clarify this is a bugfix, not an enhancement, with
additional test]
Signed-off-by: Michael Dressel <MichaelTiloDressel@t-online.de> Acked-by: Shawn O. Pearce <spearce@spearce.org> Signed-off-by: Junio C Hamano <gitster@pobox.com>