[dia] [warningectomy] '_diagram_data_selection_changed' defined but not used

[Hans Breuer <hans src gnome org>]

commit 9647e424986db45759fff273d998203bda06bb31
Author: Hans Breuer <hans breuer org>
Date:   Sat May 4 15:02:45 2013 +0200

    [warningectomy] '_diagram_data_selection_changed' defined but not used
    
    initialize signal function pointer

 lib/diagramdata.c |    1 +
 1 files changed, 1 insertions(+), 0 deletions(-)
---
diff --git a/lib/diagramdata.c b/lib/diagramdata.c
index 313a757..d031f5d 100644
--- a/lib/diagramdata.c
+++ b/lib/diagramdata.c
@@ -290,6 +290,7 @@ diagram_data_class_init(DiagramDataClass *klass)
   object_class->finalize = diagram_data_finalize;
   klass->object_add = _diagram_data_object_add;
   klass->object_remove = _diagram_data_object_remove;
+  klass->selection_changed = _diagram_data_selection_changed;
 }
 
 /*!