Add do-nothing function |ERR_load_SSL_strings|.

This benefits pyOpenSSL.

Change-Id: Ie7a35d6f9e9a1f0c7fe42ba105c68c327f7d0b0e
Reviewed-on: https://boringssl-review.googlesource.com/5740
Reviewed-by: Adam Langley <agl@google.com>

include/openssl/ssl.h

diff --git a/include/openssl/ssl.h b/include/openssl/ssl.h
index 8397b74..d6e352e 100644
--- a/include/openssl/ssl.h
+++ b/include/openssl/ssl.h
@@ -2506,6 +2506,7 @@
                                             size_t *ssl_ctx_size,
                                             size_t *ssl_session_size);
 
+/* ERR_load_SSL_strings does nothing. */
 OPENSSL_EXPORT void ERR_load_SSL_strings(void);
 
 /* SSL_get_rc4_state sets |*read_key| and |*write_key| to the RC4 states for

ssl/ssl_lib.c

diff --git a/ssl/ssl_lib.c b/ssl/ssl_lib.c
index 988b3a1..5e322d9 100644
--- a/ssl/ssl_lib.c
+++ b/ssl/ssl_lib.c
@@ -2877,3 +2877,4 @@
 int SSL_CTX_sess_misses(const SSL_CTX *ctx) { return 0; }
 int SSL_CTX_sess_timeouts(const SSL_CTX *ctx) { return 0; }
 int SSL_CTX_sess_cache_full(const SSL_CTX *ctx) { return 0; }
+void ERR_load_SSL_strings(void) {}