Focus on libpng

[Riccardo Mottola]

Hi,

Dagobert Michelsen wrote:
> Updated packages have been pushed.

great. I have seen you have updated to latest yourself. Thanks.
>
> @Laurent: I will update the farm ASAP and you can try ImageMagick soon:-)
which pkg was critical for laruent that dependend still on 
oldunversoined pkg-config? Perhaps it is just best to update it and see 
how it behaves now.

If, instead, Laurent needs new files in the libpng-15-dev pkg, just tell me.

Riccardo