Bug#291264: Depends on dklibs

["Nelson A. de Oliveira" <naoliv@biolinux.df.ibilce.unesp.br>]

Hi

Since png2pdf depends on dklibs (http://sourceforge.net/projects/dklibs)
and dklibs isn't on Debian, I think that it will take a _long_ time to
enter Debian... :-)

Maybe a new RFP for dklibs?

Nelson