--- if_ipw.c.orig	Fri Nov  9 11:50:48 2007
+++ if_ipw.c	Fri Nov  9 11:51:23 2007
@@ -1488,7 +1488,7 @@
 		if (ipw_debug >= 9 && len > 0) {
 			printf(" data: 0x");
 			for (int i = 1; i <= len; i++)
-				printf("%1D", (char *)data + len - i, "");
+				printf("%1D", (u_char *)data + len - i, "");
 		}
 		printf("\n");
 	}