sexp: Change internal versions to always use gpg_err_code_t.
* src/sexp.c (gcry_sexp_new, gcry_sexp_create, gcry_sexp_build) (gcry_sexp_build_array, gcry_sexp_canon_len): Change error return type from gpg_error_t to gpg_err_code_t. Remove all calls to gpg_error. * src/visibility.c (gcry_sexp_new, gcry_sexp_create, gcry_sexp_sscan) (gcry_sexp_build, gcry_sexp_build_array, gcry_sexp_canon_len): Map error codes via gpg_error. * cipher/dsa.c, cipher/ecc.c, cipher/elgamal.c, cipher/rsa.c: Remove use gpg_err_code wrappers.
We should do such a change for all other use of internal functions.
It just does not make sense to use gpg_error in the internal interface
because the error source is always Libgcrypt.
- Signed-off-by: Werner Koch <wk@gnupg.org>