tristanjph with include guard

Fork of xbee_lib by Tristan Hughes

Revision:
7:accd25ecfeb9
Parent:
6:6455a079bdb3
--- a/xbee.h	Fri Aug 31 15:48:55 2012 +0000
+++ b/xbee.h	Thu Mar 10 18:38:37 2016 +0000
@@ -1,3 +1,6 @@
+#ifndef XBEE_H
+#define XBEE_H
+
 /* Copyright (c) 2012 Tristan Hughes, MIT License
  *
  * Permission is hereby granted, free of charge, to any person obtaining a copy of this software 
@@ -74,4 +77,5 @@
       */
     void Reset();
 
-};
\ No newline at end of file
+};
+#endif
\ No newline at end of file