Merge pull request #3 from cgrigis/NCB-239

[NCB-239] Fixed example to prevent memory leak

Author: xmocellin

examples/mbus-test-1.py

@@ -38,3 +38,7 @@
 xml_buff = mbus.frame_data_xml(reply_data)
 
 print("xml_buff =", xml_buff)
+
+mbus.frame_data_free(reply_data)
+
+mbus.disconnect()