Use the correct counter when storing adblock filters

This crash was tricky since 'length' looked correct while in fact
it is the number of items including invalid items, which can be
more than we store.

diff --git a/extensions/adblock.c b/extensions/adblock.c
index 5ffc3c5c12b53ec3366356feb44ac134cc228616..9cf7931e9339731478d8361ccd25beafbc4ac0fd 100644 (file)
--- a/extensions/adblock.c
+++ b/extensions/adblock.c
@@ -172,8 +172,8 @@ adblock_preferences_model_row_changed_cb (GtkTreeModel*    model,
                 g_free (filter);
         }
         while (gtk_tree_model_iter_next (model, iter));
-    filters[length] = NULL;
-    midori_extension_set_string_list (extension, "filters", filters, length);
+    filters[i] = NULL;
+    midori_extension_set_string_list (extension, "filters", filters, i);
     g_free (filters);
     if (need_reload)
         adblock_reload_rules (extension);