[FIX] account: periods in general ledger report

When "Filter by Periods" is choosen in the wizard, the right periods
must be set in ctx to filter the account moves according to the right periods

opw:674593

addons/account/report/account_general_ledger.py

@@ -51,7 +51,9 @@ class general_ledger(report_sxw.rml_parse, common_report_header):
         ctx = self.context.copy()
         ctx['fiscalyear'] = data['form']['fiscalyear_id']
         if data['form']['filter'] == 'filter_period':
-            ctx['periods'] = data['form']['periods']
+            period_from_id = data['form']['period_from']
+            period_to_id = data['form']['period_to']
+            ctx['periods'] = self.pool["account.period"].build_ctx_periods(self.cr, self.uid, period_from_id, period_to_id)
         elif data['form']['filter'] == 'filter_date':
             ctx['date_from'] = data['form']['date_from']
             ctx['date_to'] =  data['form']['date_to']