David Benjamin 9df41ae953 Give ENGINE_free a return value.
This simplifies building against cryptography.io, which expects
ENGINE_free to return something.

Change-Id: Id1590abab7f47dae6b3a9d593fa7b0fe371c9912
Reviewed-on: https://boringssl-review.googlesource.com/c/boringssl/+/35644
Reviewed-by: Adam Langley <agl@google.com>
2019-04-17 20:57:57 +00:00
..
2019-04-17 20:57:57 +00:00