Undo local changes not intended to be committed (and certainly not

with that commit message) in the previous update.   This stuff works,
and will probably appear sometime, but not right now.

bin/sh/show.h

@@ -1,4 +1,4 @@
-/*	$NetBSD: show.h,v 1.8 2017/03/16 13:09:06 kre Exp $	*/
+/*	$NetBSD: show.h,v 1.9 2017/03/16 13:21:59 kre Exp $	*/
 
 /*-
  * Copyright (c) 1995
@@ -33,12 +33,12 @@
 
 #include <stdarg.h>
 
-#ifdef DEBUG
 union node;
 void showtree(union node *);
 void trace(const char *, ...);
 void tracev(const char *, va_list);
 void trargs(char **);
+#ifdef DEBUG
 void trputc(int);
 void trputs(const char *);
 void opentrace(void);