[gnome-applets] modem-lights: fix crash removing applet from panel

[Alberts Muktupāvels <muktupavels src gnome org>]

commit adec55c8e48166134b47eb0f6fa55c6b998c598c
Author: Alberts Muktupāvels <alberts muktupavels gmail com>
Date:   Tue Apr 11 10:44:11 2017 +0300

    modem-lights: fix crash removing applet from panel
    
    https://bugzilla.gnome.org/show_bug.cgi?id=780902

 modem-lights/src/modem-applet.c |   18 ++++++++++++------
 1 files changed, 12 insertions(+), 6 deletions(-)
---
diff --git a/modem-lights/src/modem-applet.c b/modem-lights/src/modem-applet.c
index bebd11e..aa39562 100644
--- a/modem-lights/src/modem-applet.c
+++ b/modem-lights/src/modem-applet.c
@@ -203,6 +203,18 @@ modem_applet_finalize (GObject *object)
 
   if (priv)
     {
+      if (priv->directives_id > 0)
+        {
+          g_source_remove (priv->directives_id);
+          priv->directives_id = 0;
+        }
+
+      if (priv->tooltip_id)
+        {
+          g_source_remove (priv->tooltip_id);
+          priv->tooltip_id = 0;
+        }
+
       shutdown_backend (MODEM_APPLET (object), TRUE, TRUE);
 
       gtk_widget_destroy (priv->auth_dialog);
@@ -552,12 +564,6 @@ shutdown_backend (ModemApplet *applet, gboolean backend_alive, gboolean already_
       priv->timeout_id = 0;
     }
 
-  if (priv->tooltip_id)
-    {
-      g_source_remove (priv->tooltip_id);
-      priv->tooltip_id = 0;
-    }
-
   if (backend_alive)
     kill (priv->pid, 9);