to be recognized as non-gnu, otherwise the make system tries to pull
in an additional libiconv which for some unknown reason does not break
the standard build but leads to trouble with addon components.
Specialcase NetBSD (which has different const'ification than what they
consider classical iconv) in the code calling iconv(3) instead.
-Don't build TIFF support which was using an internal copy of libtiff.
I'll commit a plugin for TIFF support in a minute.
-bump PKGREVISION