$summary
Ebuild for 1.7.3 available at my overlay at https://github.com/barzog/barzog-gentoo-overlay/blob/master/dev-libs/xml-security-c/xml-security-c-1.7.3.ebuild
+*xml-security-c-1.7.3 (02 Apr 2015) + + 02 Apr 2015; Sergey Popov <pinkbyte@gentoo.org> -xml-security-c-1.6.1.ebuild, + +xml-security-c-1.7.3.ebuild: + Version bump, drop old, wrt bugs #454706 and #474992