Bugzilla bug 223624: fixed the compiler warning that case ecKey is not handled in the switch statement.  r=nelsonb.
Bugzilla bug 223624: fixed the compiler warning that case ecKey is not
handled in the switch statement.  r=nelsonb.

nmav/nss,nmav/nss,ekr/nss-old,ekr/nss-old,ekr/nss-old,nmav/nss,nmav/nss,ekr/nss-old,ekr/nss-old,nmav/nss,ekr/nss-old,nmav/nss,nmav/nss,ekr/nss-old