From 8b68c462c47f091fec3729344e4fcec68dbd8bf3 Mon Sep 17 00:00:00 2001
From: Marvin Scholz <epirat07@gmail.com>
Date: Sat, 20 Apr 2019 21:37:59 +0200
Subject: [PATCH] Fix: Free strings with older OpenSSL versions

---
 src/tls.c | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/src/tls.c b/src/tls.c
index b268cbae..379000d9 100644
--- a/src/tls.c
+++ b/src/tls.c
@@ -61,8 +61,12 @@ void       tls_initialize(void)
     SSL_library_init(); /* initialize library */
 #endif
 }
+
 void       tls_shutdown(void)
 {
+#if OPENSSL_VERSION_NUMBER < 0x10100000L
+    ERR_free_strings();
+#endif
 }
 
 tls_ctx_t *tls_ctx_new(const char *cert_file, const char *key_file, const char *cipher_list)