Fix a translation for zh_CN

Task-number: QTBUG-32452
Change-Id: I78e70732f03be9b94ceb9efaab72f3693d6dd523
Reviewed-by: Oswald Buddenhagen <[email protected]>

Author: liangqi

translations/qt_zh_CN.ts

@@ -1765,7 +1765,7 @@ Do you want to delete it anyway?</source>
     <message>
         <location line="+7"/>
         <source>Date Modified</source>
-        <translation>日期被修改</translation>
+        <translation>修改时间</translation>
     </message>
     <message>
         <location filename="../src/gui/dialogs/qfilesystemmodel_p.h" line="+234"/>