[libgda] fix calls to deprecated graphviz graph API

[Vivien Malerba <vivien src gnome org>]

commit cc5d429567e21ec62bf61b7e3b54348af11965b9
Author: Haïkel Guémar <hguemar fedoraproject org>
Date:   Sun Mar 10 10:15:36 2013 +0100

    fix calls to deprecated graphviz graph API

 tools/browser/canvas/browser-canvas.c |   18 +++++++++---------
 1 files changed, 9 insertions(+), 9 deletions(-)
---
diff --git a/tools/browser/canvas/browser-canvas.c b/tools/browser/canvas/browser-canvas.c
index a67f2f0..b228fd3 100644
--- a/tools/browser/canvas/browser-canvas.c
+++ b/tools/browser/canvas/browser-canvas.c
@@ -851,13 +851,13 @@ browser_canvas_perform_auto_layout (BrowserCanvas *canvas, gboolean animate, Bro
        if (!gvc)
                gvc = gvContext ();
 
-       graph = agopen ("BrowserCanvasLayout", AGRAPH);
-        agnodeattr (graph, "shape", "box");
-        agnodeattr (graph, "height", ".1");
-        agnodeattr (graph, "width", ".1");
-        agnodeattr (graph, "fixedsize", "true");
-        agnodeattr (graph, "pack", "true");
-       agnodeattr (graph, "packmode", "node");
+       graph = agopen ("BrowserCanvasLayout", Agdirected, NULL);
+        agnode (graph, "shape", "box");
+        agset (graph, "height", ".1");
+        agset (graph, "width", ".1");
+        agset (graph, "fixedsize", "true");
+        agset (graph, "pack", "true");
+       agset (graph, "packmode", "node");
 
 
        if (class->get_layout_items)
@@ -885,7 +885,7 @@ browser_canvas_perform_auto_layout (BrowserCanvas *canvas, gboolean animate, Bro
                nodes_list = g_slist_prepend (nodes_list, nl);
                
                tmp = g_strdup_printf ("%p", item);
-               node = agnode (graph, tmp);
+               node = agnode (graph, tmp, 0);
                nl->node = node;
                g_hash_table_insert (nodes_hash, item, node);
                
@@ -929,7 +929,7 @@ browser_canvas_perform_auto_layout (BrowserCanvas *canvas, gboolean animate, Bro
                        from_node = (Agnode_t*) g_hash_table_lookup (nodes_hash, from);
                        to_node = (Agnode_t*) g_hash_table_lookup (nodes_hash, to);
                        if (from_node && to_node)
-                               agedge (graph, from_node, to_node);
+                         agedge (graph, from_node, to_node, "", 0);
                }
        }