update range of empty column before initial balance column

account_financial_report_webkit_xls/report/general_ledger_xls.py

@@ -256,7 +256,7 @@ class general_ledger_xls(report_xls):
                     cumul_balance_curr = account.init_balance.get(
                         'init_balance_currency') or 0.0
                     c_specs = [('empty%s' % x, 1, 0, 'text', None)
-                               for x in range(6)]
+                               for x in range(7)]
                     c_specs += [
                         ('init_bal', 1, 0, 'text', _('Initial Balance')),
                         ('counterpart', 1, 0, 'text', None),