dirmngr: Clear the error count to try certificate as binary.

* dirmngr/dirmngr-client.c (read_certificate): Call
log_get_errorcount.

--

GnuPG-bug-id: 5531
Signed-off-by: NIIBE Yutaka <gniibe@fsij.org>

dirmngr/dirmngr-client.c

@@ -634,6 +634,8 @@ read_certificate (const char *fname, unsigned char **rbuf, size_t *rbuflen)
       err = read_pem_certificate (fname, rbuf, rbuflen);
       if (! err)
         return 0;
+      /* Clear the error count to try as binary certificate.  */
+      log_get_errorcount (1);
     }
 
   fp = fname? es_fopen (fname, "rb") : es_stdin;