diff -ur libtemplate/util/strerror.c libtemplate/util/strerror.c
--- libtemplate/util/strerror.c	Tue Oct 10 19:16:19 1995
+++ libtemplate/util/strerror.c	Thu Dec 21 10:49:13 1995
@@ -60,7 +60,7 @@
 int n;
 {
 	extern int sys_nerr;
-	extern char *sys_errlist[];
+	extern __const char *__const sys_errlist[];
 
 	if (n < 0 || n >= sys_nerr)
 		return (NULL);