Matt Caswell d97ce8d9a0 Fix the BIO callback return code handling
The BIO callback handling incorrectly wrote over the return code passed
to the callback, meaning that an incorrect result was (eventually) returned
to the caller.

Fixes #7343

Reviewed-by: Tim Hudson <tjh@openssl.org>
(Merged from https://github.com/openssl/openssl/pull/7344)
2018-10-04 14:16:16 +01:00
..
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