--- ray/src/rt/dielectric.c	1993/03/08 12:37:15	2.5
+++ ray/src/rt/dielectric.c	1993/11/18 09:43:00	2.6
@@ -17,6 +17,7 @@ static char SCCSid[] = "$SunId$ LBL";
 #ifdef  DISPERSE
 #include  "source.h"
 static  disperse();
+static int  lambda();
 #endif
 
 /*