linux-next: build warning after merge of the vhost tree

[Stephen Rothwell]

Hi all,

After merging the vhost tree, today's linux-next build (htmldocs)
produced this warning:

Documentation/userspace-api/vduse.rst:236: WARNING: Title underline too short.

HOW VDUSE devices reconnectoin works
----------------

Introduced by commit

  2b3fd606c662 ("Documentation: Add reconnect process for VDUSE")

-- 
Cheers,
Stephen Rothwell

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