Revision 1875937

Fix test case with OpenSSL 1.1.1e+.

OpenSSL now returns EOF on a read.  Upstream OpenSSL commit:
https://github.com/openssl/openssl/commit/d924dbf4ae127c68463bcbece04b6e06abc58928

* test/server/test_sslserver.c
  (ssl_socket_read): Handle new non-fatal error code from OpenSSL 1.1.1e+.

Reported by: James McCoy <jamessan@debian.org>