Comment 0 for bug 1252491

Log of the compilation: http://paste.ubuntu.com/6439796/

Among a myriad of warnings, the two errors that cause the failure:

pantheon-files/src/ProgressInfoWidget.vala:66.47-66.55: warning: Gtk.Stock has been deprecated since 3.10
pantheon-files/src/ProgressUIHandler.vala:67.30-67.70: error: Invalid assignment from owned expression to unowned variable
        unowned List<string> cappabilities = Notify.get_server_caps ();
                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
pantheon-files/src/ProgressUIHandler.vala:69.16-69.28: error: The name `cappabilities' does not exist in the context of `Marlin.Progress.UIHandler.server_has_persistence'
        return cappabilities.find ("persistence") != null;
               ^^^^^^^^^^^^^