[libwnck] ClassGroup: fix class signal signature

[Marco Trevisan <marcotrevi src gnome org>]

commit 9d6d14da276683ac984a89a165171314fa2dc53a
Author: Marco Trevisan (Treviño) <mail 3v1n0 net>
Date:   Thu Jun 20 13:31:54 2013 +0200

    ClassGroup: fix class signal signature

 libwnck/class-group.h |    6 +++---
 1 files changed, 3 insertions(+), 3 deletions(-)
---
diff --git a/libwnck/class-group.h b/libwnck/class-group.h
index d7b6f34..052a172 100644
--- a/libwnck/class-group.h
+++ b/libwnck/class-group.h
@@ -62,9 +62,9 @@ struct _WnckClassGroupClass
 {
   GObjectClass parent_class;
 
-  void (* name_changed) (WnckApplication *app);
-  void (* icon_changed) (WnckApplication *app);
-  
+  void (* name_changed) (WnckClassGroup *group);
+  void (* icon_changed) (WnckClassGroup *group);
+
   /* Padding for future expansion */
   void (* pad1) (void);
   void (* pad2) (void);