Fix a couple of pass-by-referece errors.
Fix a couple of pass-by-referece errors.

Since pass-by-reference has been removed in PHP 5.4, it should no
longer be used. Both of these places probably used it by mistake,
so removing it should be safe.

Thanks to Thijs Kinkhorst for fixing this!

git-svn-id: a243b28a2a52d65555a829a95c8c333076d39ae1@3029 44740490-163a-0410-bde0-09ae8108e29a

simplesamlphp/simplesamlphp-module-saml2debug