Use its own css selector rather than reuse "relations" gadget one.

git-svn-id: https://svn.erp5.org/repos/public/erp5/trunk@35879 20353a03-c40f-0410-a6d1-a30d3c3de9de

bt5/erp5_web/SkinTemplateItem/portal_skins/erp5_web_widget_library/Document_viewHistoryWidget.xml

@@ -39,7 +39,7 @@
             <key> <string>_text</string> </key>
             <value> <string encoding="cdata"><![CDATA[
 
-<div class="related_docs">\n
+<div class="history-widget">\n
   <table id="#workflow_history" tal:define="history here/Base_getWorkflowEventInfoList">\n
     <tr tal:repeat="event history">\n
       <td tal:content="python: here.Base_FormatDate(event.time)"/>\n

bt5/erp5_web/bt/revision

-954
\ No newline at end of file
+957
\ No newline at end of file