dirmngr,gpg,scd,sm,tools: Minor fixes for es_free.
* dirmngr/crlfetch.c (fetch_cert_by_url): Use es_free. * g10/revoke.c (gen_standard_revoke): Likewise. * g10/tofu.c (ask_about_binding): Likewise. * scd/command.c (cmd_readkey): Likewise. * sm/sign.c (gpgsm_sign): Likewise. * tools/gpg-wks-client.c (command_create): Likewise. * tools/call-dirmngr.c (wkd_get_policy_flags): Clean up no use of BUFFER.
- Signed-off-by: NIIBE Yutaka <gniibe@fsij.org>