[libdazzle] suggestion: zero out ion-name

[Christian Hergert <chergert src gnome org>]

commit 83bbfdf75c1f57a64e444fc68f3205e5a49e50f6
Author: Christian Hergert <chergert redhat com>
Date:   Sun Sep 3 17:40:11 2017 -0700

    suggestion: zero out ion-name

 src/suggestions/dzl-suggestion.c |    2 ++
 1 files changed, 2 insertions(+), 0 deletions(-)
---
diff --git a/src/suggestions/dzl-suggestion.c b/src/suggestions/dzl-suggestion.c
index 791b0d1..6e6708d 100644
--- a/src/suggestions/dzl-suggestion.c
+++ b/src/suggestions/dzl-suggestion.c
@@ -56,6 +56,8 @@ dzl_suggestion_finalize (GObject *object)
   DzlSuggestion *self = (DzlSuggestion *)object;
   DzlSuggestionPrivate *priv = dzl_suggestion_get_instance_private (self);
 
+  priv->icon_name = NULL;
+
   g_clear_pointer (&priv->title, g_free);
   g_clear_pointer (&priv->subtitle, g_free);
   g_clear_pointer (&priv->id, g_free);