[MPlayer-DOCS] [PATCH] lavc opts update

[Diego Biurrun]

Loren Merritt writes:
> 
> -maximum quantizer difference between I- or P-frames (pass\ 1/\:2) (default: 3)
> +maximum quantizer difference between consecutive I- or P-frames (pass\ 1/\:2) (default: 3)

Please break this overly long line.

Looks good, commit.

Diego