Update distfile for libfpx, difference from the old one:
our patches are applied in it and it is available at the mastersite.
Fix build on illumos and perhaps other platforms by using autoconf
to look for the endian headers instead of using __sun
(solaris.h is not available on illumos).
bump pkgrevision.
Libfpx is The Flashpix OpenSource Toolkit a library for reading and
writing FlashPix images.
This product includes software developed by the contributors and Digital
Imaging Group, Inc. (http://www.digitalimaging.org/) for use in the
Flashpix Toolkit Project.
