system/menu: Post-SVN clean up

- Move source code from `trunk` into program root directory.
- Update build files and ASM include paths.

data/Tupfile.lua

@@ -400,7 +400,7 @@ tup.append_table(img_files, {
  {"@DOCKY", VAR_PROGS .. "/system/docky/docky"},
  {"@HA", VAR_PROGS .. "/other/ha/HA"},
  {"@ICON", VAR_PROGS .. "/system/icon_new/icon"},
- {"@MENU", VAR_PROGS .. "/system/menu/trunk/menu"},
+ {"@MENU", VAR_PROGS .. "/system/menu/menu"},
  {"@NOTIFY", VAR_PROGS .. "/system/notify3/notify"},
  {"@OPEN", VAR_PROGS .. "/system/open/open"},
  {"@TASKBAR", VAR_PROGS .. "/system/taskbar/trunk/TASKBAR"},

programs/build_all.bat

@@ -68,7 +68,7 @@ fasm system\gmon\gmon.asm %BIN%\gmon
 fasm system\icon\icon.asm %BIN%\icon
 fasm system\kbd\trunk\kbd.ASM %BIN%\kbd
 fasm system\launcher\launcher.asm %BIN%\launcher
-fasm system\menu\trunk\menu.asm %BIN%\@menu
+fasm system\menu\menu.asm %BIN%\@menu
 fasm system\mgb\trunk\mgb.asm %BIN%\mgb
 fasm system\mousemul\trunk\mousemul.asm %BIN%\mousemul
 fasm system\PANEL\trunk\@TASKBAR.ASM %BIN%\@TASKBAR

programs/system/menu/Tupfile.lua

@@ -1,5 +1,5 @@
 if tup.getconfig("NO_FASM") ~= "" then return end
-HELPERDIR = (tup.getconfig("HELPERDIR") == "") and "../../.." or tup.getconfig("HELPERDIR")
+HELPERDIR = (tup.getconfig("HELPERDIR") == "") and "../.." or tup.getconfig("HELPERDIR")
 tup.include(HELPERDIR .. "/use_fasm.lua")
 add_include(tup.getvariantdir())
 

programs/system/menu/menu.asm

@@ -1,3 +1,6 @@
+; SPDX-License-Identifier: NOASSERTION
+;
+
 ;******************************************************************************
 ;   MAIN MENU
 ;******************************************************************************
@@ -41,11 +44,11 @@
 	dd bootparam   ; boot parameters
 	dd 0x0         ; path
 ;------------------------------------------------------------------------------
-include "..\..\..\macros.inc"
-include "..\..\..\struct.inc"
-include "..\..\..\gui_patterns.inc"
+include "..\..\macros.inc"
+include "..\..\struct.inc"
+include "..\..\gui_patterns.inc"
 ; Formatted debug output:
-include "..\..\..\debug-fdo.inc"
+include "..\..\debug-fdo.inc"
 __DEBUG__       = 1             ; 0 - disable debug output / 1 - enable debug output
 __DEBUG_LEVEL__ = DBG_ERR      ; set the debug level
 DBG_ALL       = 0  ; all messages