add LingYun basic library and update makefile

guowenxue

2019-06-25 8b9d3681b4e6ccb248c8898101cb5b9740cfdf13

 apue/2.Socket/socket_client.c

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

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

       sleep(5);
    }