[dia] [warningectomy] passing argument from incompatible pointer type

[Hans Breuer <hans src gnome org>]

commit 6e4d56ae86a21dba49ff05bce72b69ce1ac2a2f2
Author: Hans Breuer <hans breuer org>
Date:   Mon Aug 2 14:10:13 2010 +0200

    [warningectomy] passing argument from incompatible pointer type
    
    undo.c:1072: warning: passing argument 1 of 'data_emit' from
    incompatible pointer type
    ../lib/diagramdata.h:163: note: expected 'struct DiagramData *' but
    argument is of type 'struct Diagram *'
    undo.c:1075: warning: passing argument 1 of 'data_emit' from
    incompatible pointer type
    ../lib/diagramdata.h:163: note: expected 'struct DiagramData *' but
    argument is of type 'struct Diagram *'

 app/undo.c |    4 ++--
 1 files changed, 2 insertions(+), 2 deletions(-)
---
diff --git a/app/undo.c b/app/undo.c
index 4b30667..2ec8a13 100644
--- a/app/undo.c
+++ b/app/undo.c
@@ -1069,10 +1069,10 @@ ungroup_objects_revert(struct UngroupObjectsChange *change, Diagram *dia)
     list = g_list_next(list);
   }
 
-  data_emit (dia, change->layer, change->group, "object_add");
+  data_emit (DIA_DIAGRAM_DATA(dia), change->layer, change->group, "object_add");
   list = change->obj_list;
   while (list) {
-    data_emit (dia, change->layer, list->data, "object_remove");
+    data_emit (DIA_DIAGRAM_DATA(dia), change->layer, list->data, "object_remove");
     list = g_list_next(list);
   }
 }