As per summary.
ah FWIW it's in /usr/bin/cpfin.
this is already fixed in the upcoming 2011.2 release. the rc versions are in my overlay.
final version in tree, where zlib is unbundled - thanks for the report. *hugin-2011.2.0 (02 Oct 2011) 02 Oct 2011; Markus Meier <maekke@gentoo.org> -hugin-2010.0.0.ebuild, -files/hugin-2010.0.0_rc1-libpng14.patch, -hugin-2010.4.0.ebuild, +hugin-2011.2.0.ebuild: version bump, remove old