Fix memory management in gstagnosticbin
Fix memory management in gstagnosticbin

Change-Id: If2d1c8b1f7ed2617ec30e07bd27008a11113ad07

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