fuzz: connect to 127.0.0.1 instead of localhost

We're observing ENETUNREACH, the thought is that something about name lookup is returning something that we cannot connect to, which makes connect fail eith ENETUNREACH. Signed-off-by: GitHub <noreply@github.com>

Author: alanxz

fuzz/fuzz_server.c

@@ -124,7 +124,7 @@ void client(Fuzzer *fuzzer) {
  amqp_socket_t *socket = NULL;
  amqp_connection_state_t conn;
 
- hostname = "localhost";
+ hostname = "127.0.0.1";
 
  conn = amqp_new_connection();