--- ray/src/hd/rhd_qtree.h	1998/08/12 17:56:26	3.10
+++ ray/src/hd/rhd_qtree.h	1998/08/17 17:59:59	3.11
@@ -6,6 +6,7 @@
  * Quadtree data structures for holodeck display drivers.
  */
 
+#include "color.h"
 #include "tonemap.h"
 #include "rhdriver.h"