fixed passing object when it should be passed by reference in attribute key, enforced in php 5.3
fixed passing object when it should be passed by reference in attribute key, enforced in php 5.3

git-svn-id: 15bb71eaf589134a7157e233fb3ab3453d0ff094@1286 b0551a0c-1e16-4222-a7d5-975db1aca215

TimDix/concrete5,MichaelMaar/concrete5,TimDix/concrete5,avdevs/concrete5,avdevs/concrete5,avdevs/concrete5,MichaelMaar/concrete5,matt9mg/concrete5,TimDix/concrete5,matt9mg/concrete5,matt9mg/concrete5,MichaelMaar/concrete5