[1.3, 1.4] fixed a warning (closes #8547)
[1.3, 1.4] fixed a warning (closes #8547)

git-svn-id: 510c49125dbf4d6f04771e17a3f478c0fe36ed73@29525 ee427ae8-e902-0410-961c-c3ed070cd9f9

sanemat/symfony-copy,sanemat/symfony-copy,sanemat/symfony-copy