confcontroller: Fix memory leak
confcontroller: Fix memory leak

Change-Id: If1a6a49d5ee9d30f3ac2171dd755ed69a43f884d

TribeMedia/kms-elements,shelsonjava/kms-elements,TribeMedia/kms-elements,TribeMedia/kms-elements,shelsonjava/kms-elements,Kurento/kms-elements,shelsonjava/kms-elements,Kurento/kms-elements,Kurento/kms-elements