libsndfile is no longer at zipworld.com.au >>> Downloading http://www.zipworld.com.au/~erikd/libsndfile/libsndfile-1.0.5.tar.gz Unable to resolve www.zipworld.com.au !!! Couldn't download libsndfile-1.0.5.tar.gz. Aborting. the current version is at: http://www.mega-nerd.com/libsndfile/libsndfile-1.0.6.tar.gz http://www.mega-nerd.com/libsndfile/#Download
ok, my bad. 1.0.5 is still there, but going to the webpage redirects you to a new page with a new version.
Fixed the latest version of the ebuild.