Xfdesktop 4.7.3
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* Fix a crash caused by accessing the wrong variable when adding
items to the right-click menu.
* Select the correct icon style in the desktop settings on first
start (bug #6798).
* Depend on libwnck >= 2.22 so we no longer have to implement hacks
for the two different "active-workspace-changed" signal variants
in libwnck (bug #6638).
* Add menu item monitoring.
* Fix critical when session manager is not running (bug #6822).
* Remove checks for older GLib/GTK+ versions that are no longer needed.
* Allow workspace names that start with a number (bug #6318).
* Delay notification initialization until we show one.
* Set the correct session priority.
* Do not call gtk_widget_show() on menus (bug #6198).
* Translation updates: gl, ca, de, it, kk, fi, sk, pt, uk, el,
zh_TW, da, id, eu, hu, lt.