core: Extend gpgme_get_dirinfo to return the gpgtar name
* src/dirinfo.c (WANT_GPGTAR_NAME): New. (dirinfo): Add field gpgtar_name. (get_gpgconf_item): Build gpgtar_name on demand and return it. (_gpgme_get_default_gpgtar_name) : New. (gpgme_get_dirinfo): New value "gpgtar-name" for WHAT. * src/util.h (_gpgme_get_default_gpgtar_name): New. * tests/t-engine-info.c (main): Add gpgtar-name to the output.
- GnuPG-bug-id: T6342