Patch: Make sure smbtorture tests can run when min protocol is above NT1!

[Jeremy Allison]

On Sun, Sep 10, 2017 at 12:55:23PM -0700, Richard Sharpe via samba-technical wrote:
> Hi folks,
> 
> It took a freaking day to find why my smbtorture run failed.
> 
> Attached is a patch that ensures we do not call smbXcli_negprot_send
> with a min protocol larger than max protocol.

This *looks* right, but can you give some more
context on what screwed up and why ?