Update mqttd/makefile, fix mosquitto library build bug

guowenxue

2019-07-16 4a84ac1e75212a5625ff6b83c413692bb83ce95d

 modules/python/sht20.py

old mode 100644
new mode 100755
@@ -1,4 +1,6 @@
#!/usr/bin/python
#-*- coding: utf-8 -*-

import fcntl
import time
import unittest