git: DragonFly_RELEASE_3_0 kernel/linprocfs: Add a missing header for spin_{,un}lock().

[Sascha Wildner]

On Tue, 21 Aug 2012 23:45:04 +0200, Thomas Nikolajsen  
<thomas at crater.dragonflybsd.org> wrote:

>
> commit 1710f27438fdf20b729e68b5343874da9129c2db
> Author: Sascha Wildner <saw at online.de>
> Date:   Thu Aug 16 16:05:38 2012 +0200
>
>     kernel/linprocfs: Add a missing header for spin_{,un}lock().

Thanks!