gnupg 1.4 decryption with smartcard for anonymous recipient

[NIIBE Yutaka]

On 2014-05-30 at 19:27 +0200, Werner Koch wrote:
> I would suggest to make it more explicit.  Best would be to detect the
> try-all-secret case and suppress the error message.  Something like this
> (not at all tested):

Thank you.

Your patch works fine with a change of g10/cardglue.h for proto type
change of agent_scd_pkdecrypt.
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