Use the larger sockaddr_storage structure

src/stub_bench.cpp

@@ -67,14 +67,14 @@ int main(int narg, char *args[])
 
 int connect_stub(const char *server_address, int server_port)
 {
-    struct sockaddr addr;
+    struct sockaddr_storage addr;
     if (!string_to_addr(server_address, 0, server_port, &addr))
     {
         fprintf(stderr, "server address: %s is not valid\n", server_address);
         return -1;
     }
 
-    int connect_fd = socket(addr.sa_family, SOCK_STREAM, 0);
+    int connect_fd = socket(addr.ss_family, SOCK_STREAM, 0);
     if (connect_fd < 0)
     {
         perror("socket");