add a fuzz_matches_original() function to the fuzzer to
detect fuzz cases that are identical to the original data. Hacky
implementation, but very useful when you need the fuzz to be different, e.g.
when verifying signature
[regress/unittests/Makefile.inc]
[regress/unittests/sshbuf/Makefile]
[regress/unittests/sshbuf/test_sshbuf.c]
[regress/unittests/sshbuf/test_sshbuf_fixed.c]
[regress/unittests/sshbuf/test_sshbuf_fuzz.c]
[regress/unittests/sshbuf/test_sshbuf_getput_basic.c]
[regress/unittests/sshbuf/test_sshbuf_getput_crypto.c]
[regress/unittests/sshbuf/test_sshbuf_getput_fuzz.c]
[regress/unittests/sshbuf/test_sshbuf_misc.c]
[regress/unittests/sshbuf/tests.c]
[regress/unittests/test_helper/Makefile]
[regress/unittests/test_helper/fuzz.c]
[regress/unittests/test_helper/test_helper.c]
[regress/unittests/test_helper/test_helper.h]
Import new unit tests from OpenBSD; not yet hooked up to build.