fix #6: fix a bug when returning the source endpoint in the

ExplicitRXIndicatorPacket class

Signed-off-by: Ruben Moral <ruben.moral@digi.com>

Author: rubenmoral

digi/xbee/packets/common.py

@@ -2619,7 +2619,7 @@ def __get_source_endpoint(self):
         Returns:
             Integer: the source endpoint of the transmission.
         """
-        return self.__dest_endpoint
+        return self.__source_endpoint
 
     def __set_source_endpoint(self, source_endpoint):
         """