[FFmpeg-cvslog] lzo: fix memcpy_backptr() with 0 offset

[Reimar Döffinger]

On Sat, Dec 24, 2011 at 06:53:09PM +0100, Michael Niedermayer wrote:
> ffmpeg | branch: master | Michael Niedermayer <michaelni at gmx.at> | Sat Dec 24 03:55:58 2011 +0100| [58c41799ab6b52df86b6afe23304f34b62741326] | committer: Michael Niedermayer
> 
> lzo: fix memcpy_backptr() with 0 offset

Uh, could you explain why you believe something is broken with 0 offset?
Except for a few useless read/writes the result is that nothing changes
both before your commit and after your commit, so it seems to me it adds
a completely pointless branch.