* testsuite/des-compat-test.c: Don't include <unistd.h>.

* testsuite/testutils.c (main): Don't use getopt. Then we don't
need to include <unistd.h>.

Rev: src/nettle/testsuite/des-compat-test.c:1.6
Rev: src/nettle/testsuite/testutils.c:1.26