Backport r9890 from trunk to 1.4-stable

Simplified Chinese translation updated by Steven Wong (#11261).

git-svn-id: svn+ssh://rubyforge.org/var/svn/redmine/branches/1.4-stable@9893 e93f8b46-1217-0410-a6f0-8f06a7374b81

config/locales/zh.yml

@@ -52,8 +52,8 @@ zh:
         one: "大约一小时"
         other: "大约 %{count} 小时"
       x_hours:
-        one:   "1 hour"
+        one:   "1 小时"
-        other: "%{count} hours"
+        other: "%{count} 小时"
       x_days:
         one: "一天"
         other: "%{count} 天"