[glom/glom-1-28] Revert "DbAddDel: Do not use deprecated set_rules_hint()."

[Murray Cumming <murrayc src gnome org>]

commit 0eb132fa68a82e13f9200bdfbce1da275dd642ee
Author: Murray Cumming <murrayc murrayc com>
Date:   Thu Feb 12 13:45:03 2015 +0100

    Revert "DbAddDel: Do not use deprecated set_rules_hint()."
    
    This reverts commit 6e0ba6c29b583731aa8d278d1629ac411c4bf0d9.
    
    This should never have been in the stable branch.

 glom/mode_data/db_adddel/db_adddel.cc |    1 +
 1 files changed, 1 insertions(+), 0 deletions(-)
---
diff --git a/glom/mode_data/db_adddel/db_adddel.cc b/glom/mode_data/db_adddel/db_adddel.cc
index 5f465c0..3c4775d 100644
--- a/glom/mode_data/db_adddel/db_adddel.cc
+++ b/glom/mode_data/db_adddel/db_adddel.cc
@@ -81,6 +81,7 @@ DbAddDel::DbAddDel()
   m_ScrolledWindow.set_policy(Gtk::POLICY_AUTOMATIC, Gtk::POLICY_AUTOMATIC);
   m_ScrolledWindow.set_shadow_type(Gtk::SHADOW_IN);
   m_TreeView.set_fixed_height_mode(); //This allows some optimizations.
+  m_TreeView.set_rules_hint();
   m_ScrolledWindow.add(m_TreeView);
   pack_start(m_ScrolledWindow);