[FIX] account_voucher: partial reconcile disappears when we cancel partial payments

bzr revid: rha@tinyerp.com-20120130071841-drpn0k3k8hdnrdyk

diff --cc addons/account_voucher/account_voucher.py
index 26024b3,efc373a..6822ae3
--- 1/addons/account_voucher/account_voucher.py
--- 2/addons/account_voucher/account_voucher.py
+++ b/addons/account_voucher/account_voucher.py
@@@ -586,12 -586,22 +586,23 @@@ class account_voucher(osv.osv)
              recs = []
              for line in voucher.move_ids:
                  if line.reconcile_id:
-                     recs += [line.reconcile_id.id]
-                 if line.reconcile_partial_id:
-                     recs += [line.reconcile_partial_id.id]
- 
-             reconcile_pool.unlink(cr, uid, recs)
- 
+                     recs = [rec.id for rec in line.reconcile_id.line_id]
+                     recs.remove(line.id)
+                     partial_ids = reconcile_pool.create(cr, uid, {
+                         'type': 'auto',
+                         'line_id': False,
+                         'line_partial_ids': [(6, 0, recs)]})
+                     self.pool.get('account.move.line').write(cr, uid, [line.id], {
+                         'reconcile_id': False,
+                         'reconcile_partial_id': False
+                         }, update_check=False)
+                     
+                     self.pool.get('account.move.line').write(cr, uid, recs, {
+                         'reconcile_id': False,
+                         'reconcile_partial_id': partial_ids
+                     }, update_check=False)
 -            reconcile_pool.unlink(cr, uid, recs)
++            if recs:
++                reconcile_pool.unlink(cr, uid, recs)
              if voucher.move_id:
                  move_pool.button_cancel(cr, uid, [voucher.move_id.id])
                  move_pool.unlink(cr, uid, [voucher.move_id.id])