[glom] Update EggSpreadTable from libegg.

[Murray Cumming <murrayc src gnome org>]

commit 70a9521e289bbb71d93bac9fd03b07051db7545a
Author: Murray Cumming <murrayc murrayc com>
Date:   Wed Nov 10 08:33:10 2010 +0100

    Update EggSpreadTable from libegg.
    
    * glom/utility_widgets/eggspreadtable/eggspreadtable.c: Copy from
    libegg/libegg/spreadtable/ again, to use Tristan's corrections for the
    forall() vfunc.

 ChangeLog                                          |    8 +++++++
 .../eggspreadtable/eggspreadtable.c                |   21 +++++++++----------
 2 files changed, 18 insertions(+), 11 deletions(-)
---
diff --git a/ChangeLog b/ChangeLog
index 400e863..a219335 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,11 @@
+2010-11-10  Murray Cumming  <murrayc murrayc com>
+
+	Update EggSpreadTable from libegg.
+
+	* glom/utility_widgets/eggspreadtable/eggspreadtable.c: Copy from
+	libegg/libegg/spreadtable/ again, to use Tristan's corrections for the
+	forall() vfunc.
+
 2010-11-08  Murray Cumming  <murrayc murrayc com>
 
 	Call xmlCleanupParser() because libxml++ does not anywmore.
diff --git a/glom/utility_widgets/eggspreadtable/eggspreadtable.c b/glom/utility_widgets/eggspreadtable/eggspreadtable.c
index 3ee48db..c5dbbd1 100644
--- a/glom/utility_widgets/eggspreadtable/eggspreadtable.c
+++ b/glom/utility_widgets/eggspreadtable/eggspreadtable.c
@@ -864,19 +864,18 @@ egg_spread_table_forall (GtkContainer *container,
 {
   EggSpreadTable        *table = EGG_SPREAD_TABLE (container);
   EggSpreadTablePrivate *priv = table->priv;
-  GList                 *list = NULL;
+  GList                 *list;
+  GtkWidget             *child;
 
-  /* We use a copy of the list,
-   * because the callback could call egg_spread_table_remove(),
-   * which would change the list, causing us to use a list->next that
-   * is no longer valid.
-   */
-  for (list = g_list_copy(priv->children); list; list = list->next)
-  {
-    (* callback) ((GtkWidget*) list->data, callback_data);
-  }
+  list = priv->children;
 
-  g_list_free(list);
+  while (list)
+    {
+      child = list->data;
+      list  = list->next;
+      
+      (* callback) ((GtkWidget*) child, callback_data);
+    }
 }
 
 static GType