xfce4-panel: update to 4.14.0.
xfce4-panel: update to 4.14.0.

Switch to libwnck, drop dbus-glib, use gir build helper (for cross-compilation)

Fix xlint warnings

necrophcodr/void-packages,necrophcodr/void-packages,necrophcodr/void-packages,necrophcodr/void-packages,necrophcodr/void-packages