This improves compatibility with cryptography.io. cryptography.io
doesn't actually care what we return, since the code won't run, but
feigning success seems better than failure. If some application does try
to run this function and checks, returning an error will probably crash
it.
Change-Id: I7a8164753a2f1a7b31dbeb10c7030c5e5fea2bc9
Reviewed-on: https://boringssl-review.googlesource.com/c/boringssl/+/46004
Commit-Queue: David Benjamin <davidben@google.com>
Commit-Queue: Adam Langley <agl@google.com>
Reviewed-by: Adam Langley <agl@google.com>