Restore ocsp.h, with (just) the CRLReason enum from RFC 2459.

Change-Id: If4e53858b5c6ab4467da50fb24f1fad6974b49f3
Reviewed-on: https://boringssl-review.googlesource.com/5154
Reviewed-by: Adam Langley <agl@google.com>
1 file changed