Use existing icon for portal type.

git-svn-id: https://svn.erp5.org/repos/public/erp5/trunk@35900 20353a03-c40f-0410-a6d1-a30d3c3de9de

bt5/erp5_discussion/PortalTypeTemplateItem/portal_types/Discussion%20Post.xml

@@ -34,7 +34,7 @@
         </item>
         <item>
             <key> <string>content_icon</string> </key>
-            <value> <string>document.gif</string> </value>
+            <value> <string>document_icon.gif</string> </value>
         </item>
         <item>
             <key> <string>content_meta_type</string> </key>

bt5/erp5_discussion/bt/revision

-58
\ No newline at end of file
+59
\ No newline at end of file