Starting from filesystem-3.2-20 in Fedora 21 (rawhide) /usr/share/appdata is owned by that package.
http://koji.fedoraproject.org/koji/buildinfo?buildID=463704

But in F19 and F20 there's currently no package that owns that directory.
Mattia

Il 25/12/2013 13:19, Ankur Sinha ha scritto:
On Wed, 2013-12-25 at 09:34 +0100, Mattia Verga wrote:
/usr/share/appdata is owned by filesystem, so I think there's no need
of 
co-own it for every single package, because filesystem is always 
installed for sure...
Oh! What file system package is it owned by?