562d53f (git-p4: Fix sync errors due to new server version, 2010-01-21)
taught git-p4 sync to recognize the new move/delete type, but this type
can also show up in an initial clone and labels output.
Instead of replicating the support in three places, hoist the definition
somewhere global.
Signed-off-by: Pete Wyckoff <pw@padd.com> Acked-By: Tor Arvid Lund <torarvid@gmail.com> Signed-off-by: Junio C Hamano <gitster@pobox.com>