to address issues with NetBSD-6(and earlier)'s fontconfig not being
new enough for pango.
While doing that, also bump freetype2 dependency to current pkgsrc
version.
Suggested by tron in PR 47882
From pkgsrc-wip, packaged by Paulo Matias.
Anti-Grain Geometry (AGG) is an Open Source, free of charge
graphic library, written in industrially standard C++. AGG
doesn't depend on any graphic API or technology. Basically,
you can think of AGG as of a rendering engine that produces
pixel images in memory from some vectorial data.