update appweb build.sh to fix x86_64 bug

guowenxue

2022-04-09 e4a3dc95bdbb1371a7104fc9cf9c850bcdd3f883

 apue/2.Socket/socket_client.c

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

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

       sleep(5);
    }