fix file list

file-roller.spec

@@ -96,7 +96,7 @@ glib-compile-schemas %{_datadir}/glib-2.0/schemas || :
 %{_bindir}/file-roller
 %{_datadir}/file-roller
 %{_datadir}/applications/gnome-file-roller.desktop
-%{_libdir}/nautilus/extensions-2.0/libnautilus-fileroller.so
+%{_libdir}/nautilus/extensions-3.0/libnautilus-fileroller.so
 %{_libexecdir}/file-roller
 %{_libexecdir}/file-roller-server
 %{_datadir}/dbus-1/services/org.gnome.FileRoller.service