--- ray/src/rt/rcmain.c	2012/06/21 17:14:32	2.5
+++ ray/src/rt/rcmain.c	2012/06/22 21:58:45	2.6
@@ -1,5 +1,5 @@
 #ifndef lint
-static const char	RCSid[] = "$Id: rcmain.c,v 2.5 2012/06/21 17:14:32 greg Exp $";
+static const char	RCSid[] = "$Id: rcmain.c,v 2.6 2012/06/22 21:58:45 greg Exp $";
 #endif
 /*
  *  rcmain.c - main for rtcontrib ray contribution tracer
@@ -9,6 +9,7 @@ static const char	RCSid[] = "$Id: rcmain.c,v 2.5 2012/
 
 #include <signal.h>
 #include "rcontrib.h"
+#include "random.h"
 #include "source.h"
 #include "ambient.h"