[gtk+] inspector: Avoid a crash

[Matthias Clasen <matthiasc src gnome org>]

commit 763f0a37c1c5e22fb068a482dee3773f1157ded7
Author: Matthias Clasen <mclasen redhat com>
Date:   Thu Jun 5 21:08:56 2014 -0400

    inspector: Avoid a crash
    
    An unset action-name should not cause us to crash.

 gtk/inspector/prop-editor.c |    3 +++
 1 files changed, 3 insertions(+), 0 deletions(-)
---
diff --git a/gtk/inspector/prop-editor.c b/gtk/inspector/prop-editor.c
index 752caec..8a13b3f 100644
--- a/gtk/inspector/prop-editor.c
+++ b/gtk/inspector/prop-editor.c
@@ -1222,6 +1222,9 @@ find_action_owner (GtkActionable *actionable)
   GActionGroup *group;
 
   full_name = gtk_actionable_get_action_name (actionable);
+  if (!full_name)
+    return NULL;
+
   dot = strchr (full_name, '.');
   prefix = g_strndup (full_name, dot - full_name);
   name = dot + 1;