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

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

Junio C Hamano committed Dec 5, 2011 at 15:13 UTC 33fba9c64e305c64b4d6f4c31f02c1dd7e8fbfa8

No changes.