gpg_err_code_from_errno() requires libgcrypt_wrap/mem.c which is not in
Makefile.utilgcry.def. This commit replaces gpg_err_code_from_errno()
with GPG_ERR_* to avoid the build errors.
Signed-off-by: Gary Lin <glin@suse.com>
Reviewed-by: Daniel Kiper <daniel.kiper@oracle.com>
