upgpkg: gnome-disk-utility 3.12.1-2

drop gnome-icon-theme-symbolic dependency, adwaita includes icons now

git-svn-id: file:///srv/repos/svn-packages/svn@225728 eb2447ed-0c53-47e4-bac8-5bc4a241df78
archrelease: copy trunk to extra-i686, extra-x86_64

git-svn-id: file:///srv/repos/svn-packages/svn@225729 eb2447ed-0c53-47e4-bac8-5bc4a241df78