--- a/src/economy_new.h	Wed Mar 21 15:12:30 2007 +0000
+++ b/src/economy_new.h	Thu Mar 22 11:11:36 2007 +0000
@@ -13,9 +13,10 @@
 #include "date.h"           // current year / date
 #include "variables.h"      // difficulty
 #include "functions.h"      // RandomRange
+#include "saveload.h"       // Saveload stuff
 
 /**
- * A Base Class used for economic entities in the game that use an activity level
+ * A Base Class used for economic entities in the game that use an activity level.
  */
 class EconomicObject {
 protected:
@@ -125,6 +126,8 @@
 
 	void AdjustActivityByTowns();
 
+	static const SaveLoad eco_desc[];
+
 private:
 	/**
 	 * Computes the modification of economic growth by cyclic events