Merge branch 'jc/index-pack-reject-dups' into maint

* jc/index-pack-reject-dups: receive-pack, fetch-pack: reject bogus pack that records objects twice

Junio C Hamano committed Dec 13, 2011 at 22:03 UTC 68f80f549092bcbb2409ba9c0eace73c085ba7cc

No changes.