diff -dur nxcomp/RenderExtension.h src.nx-X11.1134795118.22630.3729240653/nxcomp/RenderExtension.h
--- nxcomp/RenderExtension.h	2005-02-19 19:23:32.000000000 +0100
+++ src.nx-X11.1134795118.22630.3729240653/nxcomp/RenderExtension.h	2005-12-17 06:42:10.000000000 +0100
@@ -142,6 +142,8 @@
   } raw_data;
 };
 
+class RenderMinorExtensionStore;
+
 class RenderExtensionStore : public MessageStore
 {
   public: