outdated/mixer: Post-SVN tidy

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

programs/build_all.bat

@@ -170,7 +170,7 @@ fasm media\iconedit\trunk\iconedit.asm %BIN%\iconedit
 fasm media\jpegview\trunk\jpegview.asm %BIN%\jpegview
 fasm media\midamp\trunk\midamp.asm %BIN%\midamp
 fasm media\midiplay\trunk\midiplay.asm %BIN%\midiplay
-fasm media\mixer\trunk\mixer.asm %BIN%\mixer
+rem fasm media\mixer\trunk\mixer.asm %BIN%\mixer
 
 fasm media\mv\trunk\mv.asm %BIN%\mv
 fasm media\pic4\trunk\pic4.asm %BIN%\pic4
@@ -382,7 +382,7 @@ kpack %BIN%\iconedit
 kpack %BIN%\jpegview
 kpack %BIN%\midamp
 kpack %BIN%\midiplay
-kpack %BIN%\mixer
+rem kpack %BIN%\mixer
 kpack %BIN%\mp3s
 kpack %BIN%\mv
 kpack %BIN%\pic4

programs/other/outdated/mixer/Tupfile.lua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programs/other/outdated/mixer/mixer.asm

@@ -1,3 +1,4 @@
+; SPDX-License-Identifier: NOASSERTION
 
 ;
 ;    MIXER
@@ -6,7 +7,7 @@
 ;
 
 include 'lang.inc'
-include '..\..\..\..\macros.inc'
+include '..\..\..\macros.inc'
 
 
 use32