Ensure we exchange cookies in s_server even if SCTP is disabled

Reviewed-by: NRich Salz <rsalz@openssl.org>
(Merged from https://github.com/openssl/openssl/pull/4243)

apps/s_server.c

@@ -2262,11 +2262,10 @@ static int sv_body(int s, int stype, int prot, unsigned char *context)
             BIO_ctrl(sbio, BIO_CTRL_DGRAM_MTU_DISCOVER, 0, NULL);
 
 # ifndef OPENSSL_NO_SCTP
-        if (prot != IPPROTO_SCTP) {
+        if (prot != IPPROTO_SCTP)
+# endif
             /* Turn on cookie exchange. Not necessary for SCTP */
             SSL_set_options(con, SSL_OP_COOKIE_EXCHANGE);
-        }
-# endif
     } else
 #endif
         sbio = BIO_new_socket(s, BIO_NOCLOSE);