Create a copy of the chunk_hdr so that we can have multiple chunk streams open at once - as if our underlying stream has more than >32 buckets ready.
Create a copy of the chunk_hdr so that we can have multiple chunk streams open
at once - as if our underlying stream has more than >32 buckets ready.

* chunk_buckets.c
  (create_chunk): Create a copy of the chunk_header so we can have multiple
  chunks alive at one time without corrupting each other.


git-svn-id: 683495cb1553624b05a54e2ba9533425f69cf277@934 61a7d7f5-40b7-0310-9c16-bb0ea8cb1845

coapp-packages/serf,coapp-packages/serf,coapp-packages/serf