fix memory leaks in hi_to_xml() due to BN_bn2hex() result not being freed
fix memory leaks in hi_to_xml() due to BN_bn2hex() result not being freed


git-svn-id: ba3668999917d5a6564fe2b4aca77aa8f642c87d@220 4c5cb64f-9889-4596-9799-84b02dc3effa

rektide/openhip,eternaleye/openhip,eternaleye/openhip,eternaleye/openhip,rektide/openhip,rektide/openhip,eternaleye/openhip,rektide/openhip