--- kdeedu-3.4.1.old/libkdeedu/extdate/extdatetime.h	2005-05-23 20:03:39.000000000 +0800
+++ kdeedu-3.4.1/libkdeedu/extdate/extdatetime.h	2005-06-19 18:31:54.000000000 +0800
@@ -30,6 +30,8 @@
 
 extern	void test2_unit(int y, int m, int d);
 
+class ExtDateTime;
+
 class KDE_EXPORT ExtDate
 {
 public: