Fixes error occuring when statistics.csv is empty.

Samo Penic

2016-05-17 d665c0b94c289f6c34597af3010d6b9b38a08ac4

 src/initial_distribution.h

@@ -1,3 +1,4 @@
/* vim: set ts=4 sts=4 sw=4 noet : */
#include "io.h"