From 7d086184f8dd75b0977d69ed51d91e780e026738 Mon Sep 17 00:00:00 2001
From: Sean Ho <holishing@ccns.ncku.edu.tw>
Date: Mon, 11 Jan 2021 10:55:56 +0800
Subject: [PATCH] gtkwin: solved unused variable error

solved unused variable error when KEY_EVENT_DIAGNOSTICS defined but
DEBUG not defined

although we intend to always define DEBUG when KEY_EVENT_DIAGNOSTICS
is going to be defined.
---
 unix/gtkwin.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/unix/gtkwin.c b/unix/gtkwin.c
index be1e7bcd..a375cb30 100644
--- a/unix/gtkwin.c
+++ b/unix/gtkwin.c
@@ -1218,7 +1218,7 @@ gint key_event(GtkWidget *widget, GdkEventKey *event, gpointer data)
             if (digit < 0)
                 inst->alt_keycode = -2;   /* it's invalid */
             else {
-#ifdef KEY_EVENT_DIAGNOSTICS
+#if defined(DEBUG) && defined(KEY_EVENT_DIAGNOSTICS)
                 int old_keycode = inst->alt_keycode;
 #endif
                 if (inst->alt_keycode == -1)