Coverity, SpnegoContext is Serializable; consider declaring a serialVersionUID

/src/main/java/org/wildfly/security/http/impl/SpnegoAuthenticationMechanism.java: 466 in ()
460             } catch (AuthenticationMechanismException e) {
461                 throw e.toHttpAuthenticationException();
462             } catch (UnsupportedCallbackException ignored) {
463             }
464         }
465
>>>     CID 1465386:  FindBugs: Bad practice  (FB.SE_NO_SERIALVERSIONID)
>>>     org.wildfly.security.http.impl.SpnegoAuthenticationMechanism$SpnegoContext is Serializable; consider declaring a serialVersionUID.
466         private static class SpnegoContext implements Serializable {
467             transient GSSContext gssContext;
468             transient KerberosTicket kerberosTicket;
469         }
470