add LUX sensor tsl2561 support in lightd

guowenxue

2021-01-23 88f6121fabaa6b7b17a2d78a52ebef2ddda16104

 apue/2.Socket/socket_client.c

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

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

       sleep(5);
    }