[gtk+] Fixed GtkGrid GtkContainerClass->forall() to not use a for loop.

[Tristan Van Berkom <tvb src gnome org>]

commit e20503836c3d91d52eb0448ebb34f599d7b87300
Author: Tristan Van Berkom <tristan van berkom gmail com>
Date:   Wed Dec 22 21:21:44 2010 +0900

    Fixed GtkGrid GtkContainerClass->forall() to not use a for loop.
    
    This loop needs to be safe for removing children in a forall loop.

 gtk/gtkgrid.c |    4 +++-
 1 files changed, 3 insertions(+), 1 deletions(-)
---
diff --git a/gtk/gtkgrid.c b/gtk/gtkgrid.c
index 7aaf8ef..3557c16 100644
--- a/gtk/gtkgrid.c
+++ b/gtk/gtkgrid.c
@@ -439,9 +439,11 @@ gtk_grid_forall (GtkContainer *container,
   GtkGridChild *child;
   GList *list;
 
-  for (list = priv->children; list; list = list->next)
+  list = priv->children;
+  while (list)
     {
       child = list->data;
+      list  = list->next;
 
       (* callback) (child->widget, callback_data);
     }