OPENSSL_EXPORT SSL_CTX_set_keylog_bio.

Forgot to do that.

Change-Id: Ic7eb199c3acf4aa249be3f7a3312e8c2bc7a2372
Reviewed-on: https://boringssl-review.googlesource.com/1720
Reviewed-by: Adam Langley <agl@google.com>
1 file changed