- fixed listbox label line text color to match html style

git-svn-id: https://svn.erp5.org/repos/public/erp5/trunk@9352 20353a03-c40f-0410-a6d1-a30d3c3de9de

product/ERP5/bootstrap/erp5_xhtml_style/SkinTemplateItem/portal_skins/erp5_xhtml_style/erp5.css.xml

@@ -975,7 +975,7 @@ fieldset.bottom .field label {\n
 }\n
 \n
 .ListContent #listbox_label_line {\n
-  color: inherit;\n
+  color: <dtml-var font_color>;\n
   background-color: <dtml-var listbox_label_background_color>;\n
 }\n
 \n