[FFmpeg-cvslog] Allow auto-detection of ljpg images.

[Reimar Döffinger]

On Wed, Dec 07, 2011 at 02:33:36AM +0100, Carl Eugen Hoyos wrote:
> +        if (st->codec->codec_id = CODEC_ID_LJPEG)

Uh, that must have broken something (= instead of ==)