[dia] diagram_tree_delete() made static

[Hans Breuer <hans src gnome org>]

commit b87bc9a9fd9cea36698d6fedc0d687ce99ceac29
Author: Hans Breuer <hans breuer org>
Date:   Fri Apr 24 19:49:21 2009 +0200

    diagram_tree_delete() made static
---
 app/diagram_tree.c |    5 ++++-
 app/diagram_tree.h |    4 ----
 2 files changed, 4 insertions(+), 5 deletions(-)

diff --git a/app/diagram_tree.c b/app/diagram_tree.c
index bcfd077..e341bd4 100644
--- a/app/diagram_tree.c
+++ b/app/diagram_tree.c
@@ -33,6 +33,9 @@
 #include "diagram_tree.h"
 #include "persistence.h"
 
+/* delete a tree (the widget is destroyed, but not the diagrams */
+static void diagram_tree_delete(DiagramTree *tree);
+
 struct _DiagramTree {
   GtkCTree *tree;		/* the tree widget */
   GtkCTreeNode *last;		/* last clicked node */
@@ -354,7 +357,7 @@ diagram_tree_new(GList *diagrams, GtkWindow *window,
   return result;
 }
 
-void
+static void
 diagram_tree_delete(DiagramTree *tree) 
 {
   g_return_if_fail(tree);
diff --git a/app/diagram_tree.h b/app/diagram_tree.h
index f1ca06c..a71cd1b 100644
--- a/app/diagram_tree.h
+++ b/app/diagram_tree.h
@@ -48,10 +48,6 @@ diagram_tree_new(GList *diagrams, GtkWindow *window,
 		 DiagramTreeSortType dia_sort,
 		 DiagramTreeSortType obj_sort);
 
-/* delete a tree (the widget is destroyed, but not the diagrams */
-extern void
-diagram_tree_delete(DiagramTree *tree);
-
 /* add a diagram to the tree */
 extern void
 diagram_tree_add(DiagramTree *tree, Diagram *diagram);