SSL_set1_host() is deprecated in OpenSSL 4.0

fix deprecation warning by replacing SSL_set1_host()
with SSL_set1_dnsname() when building with OpenSSL 4.0

Keep using SSL_set1_host() when building with older
OpenSSL version.

Author: Sashan

source/ssl_poll_perf.c

@@ -2981,10 +2981,17 @@ create_client_pe(SSL_CTX *ctx, struct client_stats *cs)
         goto fail;
     }
 
+#if OPENSSL_VERSION_NUMBER >= 0x40000000L
+    if (SSL_set1_dnsname(qconn, hostname) == 0) {
+        DPRINTFC(stderr, "%s SSL_set1_dnsname() failed\n", __func__);
+        goto fail;
+    }
+#else
     if (SSL_set1_host(qconn, hostname) == 0) {
         DPRINTFC(stderr, "%s SSL_set1_host() failed\n", __func__);
         goto fail;
     }
+#endif
 
     /* SSL_set_alpn_protos returns 0 for success! */
     switch (alpn) {