l10n: zh_CN: Update Git Glossary: "commit message"

oldsharp · oldsharp · commit 667599e8257e · 2015-08-25T09:47:50.000+08:00
Add "commit message" to glossary.  Translate it as "提交信息".

Signed-off-by: Ray Chen &lt;oldsharp@gmail.com&gt;
diff --git a/po/zh_CN.po b/po/zh_CN.po
@@ -38,6 +38,7 @@
 #   clean                            |  干净（的工作区）
 #   clone                            |  克隆
 #   commit                           |  提交
+#   commit message                   |  提交说明
 #   commit object                    |  提交对象
 #   commit-ish (also committish)     |  提交号
 #   conflict                         |  冲突
