curve: fix crypto_box_beforenmbytes length

This seems to have been corrupted. Must be crypto_box_beforenmbytes.

Signed-off-by: Daniel Borkmann <dborkman@redhat.com>
curve: minor: fix up formatting

Just some minor whitespacing arrangements.

Signed-off-by: Daniel Borkmann <dborkman@redhat.com>
curve: minor: fix typo in variable

Signed-off-by: Daniel Borkmann <dborkman@redhat.com>
curve: directly include config.h for FILE_PRIVKEY

Signed-off-by: Daniel Borkmann <dborkman@redhat.com>