Traditional Chinese "issue" translation in r15702 change (#20720, #23171, #23373, #23374)

git-svn-id: http://svn.redmine.org/redmine/trunk@15703 e93f8b46-1217-0410-a6f0-8f06a7374b81

config/locales/zh-TW.yml

@@ -186,7 +186,7 @@
         not_same_project: "不屬於同一個專案"
         circular_dependency: "這個關聯會導致環狀相依"
         cant_link_an_issue_with_a_descendant: "議題無法被連結至自己的子任務"
-        earlier_than_minimum_start_date: "不能早於 %{date} 因為有前置問題"
+        earlier_than_minimum_start_date: "不能早於 %{date} 因為有前置議題"
 
       # You can define own errors for models or model attributes.
       # The values :model, :attribute and :value are always available for interpolation.