Small addition, not sure if it is necessary

Samo Penic

2016-07-04 c37ddc02423f806716dcbe6403d9d9d03f5668eb

 src/energy.c

@@ -1,3 +1,4 @@
/* vim: set ts=4 sts=4 sw=4 noet : */
#include<stdlib.h>
#include "general.h"
#include "energy.h"