Error when environment variable LANG is zh_CN.UTF8

[Zou Boyu]

Run "grub-mkconfig -o /boot/grub/grub.cfg" when the environment variable 
LANG=zh_CN.UTF8 it produces the following error:
/usr/share/grub/grub-mkconfig_lib: 第 237 行：printf: “$”：无效格式字符
Translated text:
/usr/share/grub/grub-mkconfig_ Lib: Line 237: printf: "$": invalid format 
character
When LANG=en_US.UTF8, it has no problem. I don't know if this problem is 
caused by grub or shell script.

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