diff -r 907929fa9b59 -r 9dbb9c8c115b ccdemos/spheres_shadow.cc
--- a/ccdemos/spheres_shadow.cc	Wed Apr 23 19:35:03 2008 +0200
+++ b/ccdemos/spheres_shadow.cc	Thu Apr 24 10:49:11 2008 +0200
@@ -9,7 +9,7 @@
 
 Float lx, ly, lz, cf;
 
-void update_callback()
+void update_callback(Float*)
 {
 	if (lx != 0.0)
 		light.pos.x += lx;