gpg,sm: Simplify keyserver spec parsing.
* common/keyserver.h: Remove. * sm/gpgsm.h (struct keyserver_spec): Remove. (opt): Change keyserver to a strlist_t. * sm/gpgsm.c (keyserver_list_free): Remove. (parse_keyserver_line): Remove. (main): Store keyserver in an strlist. * sm/call-dirmngr.c (prepare_dirmngr): Adjust for the strlist. Avoid an ambiguity in dirmngr by adding a prefix if needed. * g10/options.h (struct keyserver_spec): Move definition from keyserver.h to here. Remove most fields. * g10/keyserver.c (free_keyserver_spec): Adjust. (cmp_keyserver_spec): Adjust. (parse_keyserver_uri): Simplify. (keyidlist): Remove fakev3 arg which does not make any sense because we don't even support v3 keys.
We now rely on the dirmngr to parse the keyserver specs. Thus a bad
specification will not be caught immediately. However, even before
that dirmngr had stricter tests.
- Signed-off-by: Werner Koch <firstname.lastname@example.org>