osd: fix leak of src_obc references
osd: fix leak of src_obc references

We never moved the src_obc map from the local var into the RepGather
member!

Signed-off-by: Sage Weil <c5b6ff1fd4f0bde10db63d7a3e07166cf6c4229f@dreamhost.com>

ajnelson/ceph,ajnelson/ceph,ajnelson/ceph,ajnelson/ceph,ajnelson/ceph,ajnelson/ceph