--- ray/src/rt/normal.c	2010/10/13 15:29:02	2.59
+++ ray/src/rt/normal.c	2011/02/18 00:40:25	2.60
@@ -1,5 +1,5 @@
 #ifndef lint
-static const char RCSid[] = "$Id: normal.c,v 2.59 2010/10/13 15:29:02 greg Exp $";
+static const char RCSid[] = "$Id: normal.c,v 2.60 2011/02/18 00:40:25 greg Exp $";
 #endif
 /*
  *  normal.c - shading function for normal materials.
@@ -405,7 +405,7 @@ gaussamp(			/* sample Gaussian specular */
 				nstarget = 1;
 		}
 		setcolor(scol, 0., 0., 0.);
-		dimlist[ndims++] = (int)np->mp;
+		dimlist[ndims++] = (int)(size_t)np->mp;
 		maxiter = MAXITER*nstarget;
 		for (nstaken = ntrials = 0; nstaken < nstarget &&
 						ntrials < maxiter; ntrials++) {
@@ -469,7 +469,7 @@ gaussamp(			/* sample Gaussian specular */
 			} else
 				nstarget = 1;
 		}
-		dimlist[ndims++] = (int)np->mp;
+		dimlist[ndims++] = (int)(size_t)np->mp;
 		maxiter = MAXITER*nstarget;
 		for (nstaken = ntrials = 0; nstaken < nstarget &&
 						ntrials < maxiter; ntrials++) {