git: usb4bsd/if_rum: Add missing locking around rum_start_locked().

[Sascha Wildner]

On Mon, 08 Dec 2014 16:47:23 +0100, Imre Vadasz  
<ivadasz at crater.dragonflybsd.org> wrote:

>
> commit 9c6f60f2dbf14b01de4d17e7bbbfcf5b6d791167
> Author: Imre Vadasz <imre at vdsz.com>
> Date:   Mon Dec 8 16:01:24 2014 +0100
>
>     usb4bsd/if_rum: Add missing locking around rum_start_locked().

Thanks!