--- a/strings.c	Sat Oct 21 23:51:02 2006 +0000
+++ b/strings.c	Sun Oct 22 00:05:19 2006 +0000
@@ -198,15 +198,15 @@
 			break;
 
 		case 28:
-			GetGRFString(buff, index, last);
+			GetGRFString(buff, index, lastof(buff));
 			return FormatString(buffr, buff, argv, 0, last);
 
 		case 29:
-			GetGRFString(buff, index + 0x800, last);
+			GetGRFString(buff, index + 0x800, lastof(buff));
 			return FormatString(buffr, buff, argv, 0, last);
 
 		case 30:
-			GetGRFString(buff, index + 0x1000, last);
+			GetGRFString(buff, index + 0x1000, lastof(buff));
 			return FormatString(buffr, buff, argv, 0, last);
 
 		case 31: