symfony/symfony — pull request #6449 by francisbesset (2012-12-21 07:56:16+00:00)
Title: [2.2][Routing] Used static to call constant in XmlFileLoader

It is more complicated to override XmlFileLoader if contants are called with `self`.
This PR replace `self` to `static`.

Bug fix: no
Feature addition: no
Backwards compatibility break: no
Symfony2 tests pass: yes
License of the code: MIT