(U+353E): Add `<-same' for U+5369.

(U+353E): Add `<-same' for U+5369.
(<CJK RADICAL SEAL>): Use `<-formed@component/connect-above' instead
of `<-ideographic-component-forms' for U+5369; use
`<-identical@component/connect-above' instead of `<-radical' for
U+353E.
(JC3-71F7): New character.
(BC-8A60): Use `<-formed@component' instead of
`<-ideographic-component-forms'.