--- ray/src/common/savestr.c	1992/11/21 21:46:59	2.3
+++ ray/src/common/savestr.c	1993/09/23 12:15:21	2.4
@@ -103,6 +103,6 @@ register char  *s;
 	register int  h = 0;
 
 	while (*s)
-		h = (h<<1 & 0x7fff) ^ *s++;
+		h = (h<<1 & 0x7fff) ^ (*s++ & 0xff);
 	return(h);
 }