diff -r c38925cc6a4d -r 3e58623c588d mapstorage.cc
--- a/mapstorage.cc	Tue Aug 16 20:07:14 2005 +0000
+++ b/mapstorage.cc	Wed Aug 17 12:35:43 2005 +0000
@@ -1,4 +1,5 @@
 #include "mapstorage.h"
+#include <cmath>
 
 MapStorage::MapStorage() : modified(false), file_name("")
 {