--- ray/src/common/chanvalue.c	2003/02/22 02:07:21	3.1
+++ ray/src/common/chanvalue.c	2003/07/17 09:21:29	3.3
@@ -1,13 +1,17 @@
 #ifndef lint
-static const char	RCSid[] = "$Id: chanvalue.c,v 3.1 2003/02/22 02:07:21 greg Exp $";
+static const char	RCSid[] = "$Id: chanvalue.c,v 3.3 2003/07/17 09:21:29 schorsch Exp $";
 #endif
 /*
  * Dummy definition of chanvalue() for calcomp routines.
  */
 
+#include "rterror.h"
+#include "calcomp.h"
+
 double
 chanvalue(int n)
 {
 	eputs("Call to unsupported chanvalue routine\n");
 	quit(1);
+	return 0.0; /* pro forma return */
 }