modify the version string.

git-svn-id: https://svn.erp5.org/repos/public/erp5/trunk@25843 20353a03-c40f-0410-a6d1-a30d3c3de9de

product/PortalTransforms/version.txt

-1.4.0-nexedi
\ No newline at end of file
+1.4.1-nexedi