The ebuild installs locales for all languages, not the ones chosen in linguas. Reproducible: Always
yep, he changed the directory structure, rendering src_prepare useless
+ 04 Jan 2014; Julian Ospald <hasufell@gentoo.org> + xfce4-whiskermenu-plugin-1.3.0.ebuild: + fix LINGUAS handling wrt #496920 not worth a revbump... resync and rebuild