Fix lhash implementation to avoid unwanted resizes during iteration.

openssl/ssl/ssl_sess.c

Index: openssl/ssl/ssl_sess.c
diff --git a/openssl/ssl/ssl_sess.c b/openssl/ssl/ssl_sess.c
index 85360afc72c8667dea2ccc8610239932cff15cca..4f6af5557fbab24e90ec7619b4adf26b3498f520 100644
--- a/openssl/ssl/ssl_sess.c
+++ b/openssl/ssl/ssl_sess.c
@@ -999,11 +999,8 @@ void SSL_CTX_flush_sessions(SSL_CTX *s, long t)
 	if (tp.cache == NULL) return;
 	tp.time=t;
 	CRYPTO_w_lock(CRYPTO_LOCK_SSL_CTX);
-	i=CHECKED_LHASH_OF(SSL_SESSION, tp.cache)->down_load;
-	CHECKED_LHASH_OF(SSL_SESSION, tp.cache)->down_load=0;
 	lh_SSL_SESSION_doall_arg(tp.cache, LHASH_DOALL_ARG_FN(timeout),
 				 TIMEOUT_PARAM, &tp);
-	CHECKED_LHASH_OF(SSL_SESSION, tp.cache)->down_load=i;
 	CRYPTO_w_unlock(CRYPTO_LOCK_SSL_CTX);
 	}