qcap: Fix compilation on older systems.

[Francois Gouget]

On Tue, 15 Jan 2013, Damjan Jovanovic wrote:

> What does this patch do? libv4l1.h includes libv4l1-videodev.h which
> is a copy of linux/videodev.h. You should only need the one or the
> other. Are you saying there is a system where libv4l1.h is present but
> incomplete, and you need to include linux/videodev.h together with it?

Actually I'm running into this issue on my FreeBSD 8.1 VM: libv4l1.h 
does not have any of the VIDIOCS* defines.

-- 
Francois Gouget <fgouget at free.fr>              http://fgouget.free.fr/
The nice thing about meditation is that it makes doing nothing quite respectable
                                  -- Paul Dean