diff -Naupr gkrellmoon-0.6.orig/CalcEphem.h gkrellmoon-0.6/CalcEphem.h
--- gkrellmoon-0.6.orig/CalcEphem.h	2002-12-11 04:36:06.000000000 +0100
+++ gkrellmoon-0.6/CalcEphem.h	2007-02-12 15:10:03.000000000 +0100
@@ -13,6 +13,7 @@
 #include <glib.h>
 
 #include <stdio.h>
+#include <string.h>
 #include <math.h>
 
 #define DegPerRad       57.29577951308232087680