scd: Use a macro for the flag parameter of learn_status.
* scd/app-common.h (APP_LEARN_FLAG_KEYPAIRINFO): New flag macro.. * scd/command.c (cmd_learn): Pass that flag instead of a plain number. * scd/app-nks.c (do_learn_status_core): Use new flag. * scd/app-p15.c (do_learn_status): Ditto. * scd/app-piv.c (do_learn_status): Ditto. * scd/app-sc-hsm.c (do_learn_status): Ditto. * scd/app.c (app_write_learn_status): Ditto.
- Signed-off-by: Werner Koch <wk@gnupg.org>