svn commit: r351342 - stable/12

[Mark Johnston]

On Wed, Aug 21, 2019 at 04:21:26PM +0000, Mark Johnston wrote:
> Author: markj
> Date: Wed Aug 21 16:21:26 2019
> New Revision: 351342
> URL: https://svnweb.freebsd.org/changeset/base/351342
> 
> Log:
>   MFC r344670:
>   Allow FIONBIO and FIOASYNC ioctls on POSIX shm descriptors.
> 
> Modified:
> Directory Properties:
>   stable/12/   (props changed)

This had already been merged, but the mergeinfo was missing.