--- ray/src/common/rglmat.c	2003/04/23 02:28:06	3.4
+++ ray/src/common/rglmat.c	2003/09/16 06:31:48	3.5
@@ -1,5 +1,5 @@
 #ifndef lint
-static const char	RCSid[] = "$Id: rglmat.c,v 3.4 2003/04/23 02:28:06 greg Exp $";
+static const char	RCSid[] = "$Id: rglmat.c,v 3.5 2003/09/16 06:31:48 greg Exp $";
 #endif
 /*
  * Routines for Radiance -> OpenGL materials.
@@ -54,7 +54,7 @@ register OBJREC	*o;
 			goto memerr;
 		strcpy(lup->key, o->oname);
 	} else if (lup->data != NULL)
-		freemtl((MATREC *)lup->data);
+		freemtl(lup->data);
 	if ((lup->data = o->os) != NULL)	/* make material reference */
 		((MATREC *)lup->data)->nlinks++;
 	return(0);
@@ -87,7 +87,7 @@ char	*nam;
 			goto memerr;
 		strcpy(lup->key, nam);
 	} else if (lup->data != NULL)
-		freemtl((MATREC *)lup->data);
+		freemtl(lup->data);
 	lup->data = (char *)malloc(sizeof(MATREC));
 	if (lup->data == NULL)
 		goto memerr;
@@ -99,9 +99,11 @@ memerr:
 
 
 void
-freemtl(mp)			/* free a material */
-register MATREC	*mp;
+freemtl(p)			/* free a material */
+void	*p;
 {
+	register MATREC	*mp = (MATREC *)p;
+
 	if (!--mp->nlinks)
 		free((void *)mp);
 }