Added Total field in Depreciation tab

bzr revid: bde@tiny2-desktop-20110524075102-b615q64yi14m51bf

addons/account_asset/account_asset.py

@@ -128,7 +128,6 @@ class account_asset_asset(osv.osv):
         }, context)
 
     def _amount_total(self, cr, uid, ids, name, args, context={}):
-        #FIXME: function not working²
         id_set=",".join(map(str,ids))
         cr.execute("""SELECT l.asset_id,abs(SUM(l.debit-l.credit)) AS amount FROM
                 account_move_line l

addons/account_asset/account_asset_view.xml

@@ -77,6 +77,7 @@
                     <field name="method_period" attrs="{'invisible':[('method_time','=','end')]}"/>
                     <field name="prorata" colspan="1"/>
                     <field name="method_delay"/>
+					<field name="value_total"/>
                     <newline/>
                  </page>
                  <page string="Depreciation board">