Legend size calculation, WMS LegendURL size

[Shawn Gervais]

Yewondwossen Assefa wrote:
> Shawn,
> 
>  Thanks for doing that. From what I have seen, It seems to be a good way 
> of dealing width width/height issue for LegendURLs.
> Maybe a simple comment that I had was It might be useful to have an 
> optional layer argument in function msLegendCalcSize so that it can  be 
> used on one layer or all layers if the argument is set to NULL. This 
> would eliminate I think the need for the msWMSGetLegendURLSize function
> As Steve noted, It would be good if a ticket was opened for it, and the 
> patch can then be applied.

Thanks for the feedback Assefa, Bart, Steve.

I've submitted this as a ticket, 2435, which includes Assefa's suggestion.

-Shawn