Correctly set cli->raw_status for libsmbclient in SMB2 code

[github at samba.org]

New comment by Xenopathic on Samba Github repository

https://github.com/samba-team/samba/pull/59#issuecomment-209648921
Comment:
No, I didn't post a bug report, since I've contributed code in the past so just directly debugged the problem. Let me do that now.

From analysis of other functions that set raw_status, I thought that _recv() was the best place to put the new code. Alternatively, _done() might be a better place?