Index: src/positions.h
--- src/positions.h.orig	2003-04-07 11:48:19 +0200
+++ src/positions.h	2005-12-27 19:07:08 +0100
@@ -26,6 +26,10 @@
 #ifndef positions_h
 #define positions_h 1
 
+/* Forward declarations */
+class PositionIterator;
+class PositionReverseIterator;
+
 /* This class denotes a set of byte positions, used to access a keyword.  */
 
 class Positions
