xbps_sort_pkg_deps: add debugging, use xbps_pkgdep_match().
xbps_sort_pkg_deps: add debugging, use xbps_pkgdep_match().

--HG--
extra : convert_revision : xtraeme%40gmail.com-20091129045327-x2y95weqecbon4l4

stpx/xbps,ebfe/xbps,datenwolf/xbps,ebfe/xbps,ebfe/xbps,datenwolf/xbps,datenwolf/xbps,stpx/xbps,stpx/xbps