There are 2 months on the system menu bar after select "Date and Month" and "Weekday"

[Eason]

There are 2 months on the system menu bar after select "Date and Month" and "Weekday"

设置在时钟显示日期和月份和星期后，菜单栏显示月份多了一个月字

Steps:
1. Open system settings-->Time&Date-->Clock
2. Check "Date and Month" and "Weekday"
3. Check the system menu bar on the right top of screen
-->Failed. There are 2 months on the system menu bar

Configuration:
OS: Ubuntu kylin 1604
PC: Dell Vostro

[Ubuntu QA Website (ubuntuqa)]

This bug has been reported on the Ubuntu ISO testing tracker.

A list of all reports related to this bug can be found here:
http://iso.qa.ubuntu.com/qatracker/reports/bugs/1569117