add 5 seconds sleep in socket_client.c when report Temperature

Guo Wenxue

2018-10-25 0bed6c0c87cef46d7e4b0d933cfcc8a10d39a81b

 apue/2.Socket/socket_client.c

@@ -109,7 +109,8 @@
          }
       }

       //printf("Read %d bytes data from server: '%s'\n", rv, buf);

       sleep(5);
    }