libc.obj: add copyright & delete _exit.h & fix tabs in crt0.asm

programs/develop/ktcc/trunk/libc.obj/source/stdlib/exit.c

@@ -1,9 +1,15 @@
-/* Copyright (C) 2021 Logaev Maxim (turbocat2001), GPLv2 */
+/*
+* SPDX-License-Identifier: GPL-2.0-only
+* Copyright (C) 2021 Logaev Maxim
+* Copyright (C) 2026 KolibriOS team
+*/
 
 #include <stdlib.h>
 #include <sys/ksys.h>
 #include "_exit.h"
 
+/*
+TODO
 static void __close_all()
 {
 }
@@ -11,6 +17,7 @@ static void __close_all()
 static void __free_all_mem()
 {
 }
+*/
 
 void __normal_exit(int status)
 {