[baobab] Restore tooltips on chart buttons

[Stefano Facchini <sfacchini src gnome org>]

commit e366ce81d79fa2622dc8089d9e84e5e32fff2337
Author: Stefano Facchini <stefano facchini gmail com>
Date:   Tue Apr 1 15:29:56 2014 +0200

    Restore tooltips on chart buttons
    
    They were lost in previous commit

 src/baobab-main-window.ui |    2 ++
 1 files changed, 2 insertions(+), 0 deletions(-)
---
diff --git a/src/baobab-main-window.ui b/src/baobab-main-window.ui
index 90b8c44..93f0c1d 100644
--- a/src/baobab-main-window.ui
+++ b/src/baobab-main-window.ui
@@ -338,6 +338,7 @@
                           </object>
                           <packing>
                             <property name="name">rings</property>
+                            <property name="title" translatable="yes">Rings Chart</property>
                             <property name="icon_name">view-ringschart-symbolic</property>
                           </packing>
                         </child>
@@ -349,6 +350,7 @@
                           </object>
                           <packing>
                             <property name="name">treemap</property>
+                            <property name="title" translatable="yes">Treemap Chart</property>
                             <property name="icon_name">view-treemap-symbolic</property>
                           </packing>
                         </child>