Critical warning when receiving notification from Thunderbird
With current git-master c41e2c3c, not present with 0.6.5.
(xfce4-notifyd:6369): GLib-GObject-CRITICAL **: 13:52:20.480: g_object_unref: assertion 'G_IS_OBJECT (object)' failed
Thread 1 "xfce4-notifyd" received signal SIGTRAP, Trace/breakpoint trap.
0x00007ffff70608e5 in g_logv () from /usr/lib/libglib-2.0.so.0
#0 0x00007ffff70608e5 in g_logv () at /usr/lib/libglib-2.0.so.0
#1 0x00007ffff7060b64 in g_log () at /usr/lib/libglib-2.0.so.0
#2 0x0000555555560d94 in notify_notify (skeleton=0x55555559c2a0, invocation=0x5555557c6e40, app_name=<optimized out>, replaces_id=0, app_icon=0x5555558345b0 "", summary=0x55555574a1a0 "anonymized", body=0x7fffe4017dd0 "anonymized", actions=0x5555557473a0, hints=0x7fffe4013e40, expire_timeout=-1, xndaemon=0x55555559c2a0) at xfce4-notifyd/xfce-notify-daemon.c:1430
#3 0x00007ffff64774f6 in () at /usr/lib/libffi.so.8
#4 0x00007ffff6473f5e in () at /usr/lib/libffi.so.8
#5 0x00007ffff6476b73 in ffi_call () at /usr/lib/libffi.so.8
#6 0x00007ffff715b485 in g_cclosure_marshal_generic () at /usr/lib/libgobject-2.0.so.0
#7 0x00007ffff7155210 in g_closure_invoke () at /usr/lib/libgobject-2.0.so.0
#8 0x00007ffff7182ea8 in () at /usr/lib/libgobject-2.0.so.0
#9 0x000055555555ecfb in _xfce_notify_gbus_skeleton_handle_method_call (connection=<optimized out>, sender=<optimized out>, object_path=<optimized out>, interface_name=0x555555784930 "org.freedesktop.Notifications", method_name=0x7fffe4019820 "Notify", parameters=<optimized out>, invocation=0x5555557c6e40, user_data=0x55555559c2a0) at xfce4-notifyd/xfce-notify-gbus.c:1737
#10 0x00007ffff72bbf2e in () at /usr/lib/libgio-2.0.so.0
#11 0x00007ffff72a1508 in () at /usr/lib/libgio-2.0.so.0
#12 0x00007ffff705787b in g_main_context_dispatch () at /usr/lib/libglib-2.0.so.0
#13 0x00007ffff70aec89 in () at /usr/lib/libglib-2.0.so.0
#14 0x00007ffff7056ddf in g_main_loop_run () at /usr/lib/libglib-2.0.so.0
#15 0x00007ffff77d8eef in gtk_main () at /usr/lib/libgtk-3.so.0
#16 0x000055555555d6bc in main (argc=<optimized out>, argv=<optimized out>) at xfce4-notifyd/main.c:73