[zenity] Fix a broken tag in Chinese Simplified help translation

[Piotr Drąg <piotrdrag src gnome org>]

commit 3304f4c86801a4c0eac5161a4dfc8af760c96e92
Author: Piotr Drąg <piotrdrag gmail com>
Date:   Mon Sep 16 01:14:28 2013 +0200

    Fix a broken tag in Chinese Simplified help translation

 help/zh_CN/zh_CN.po |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)
---
diff --git a/help/zh_CN/zh_CN.po b/help/zh_CN/zh_CN.po
index 26e8743..8d35409 100644
--- a/help/zh_CN/zh_CN.po
+++ b/help/zh_CN/zh_CN.po
@@ -239,7 +239,7 @@ msgid ""
 "<var>%A %d/%m/%y</var>."
 msgstr ""
 "指定选定的日期返回时的样式。默认的格式取决于您的区域设置。格式必须可以被 "
-"<cmd>strftime</cma> 函数接受，例如 <var>%A %d/%m/%y</var>。"
+"<cmd>strftime</cmd> 函数接受，例如 <var>%A %d/%m/%y</var>。"
 
 #: C/calendar.page:45(page/p)
 msgid "The following example script shows how to create a calendar dialog:"