Fix variable order

Diddo of #1677 except for variables instead of functions. These will be a bit more tricky, but we still have both the PSX/MAC to help. The demo release is scrambled.

Fixing these will help get global offsets to line up:

• appfat.cpp
• automap.cpp
• capture.cpp
• codec.cpp
• control.cpp
• cursor.cpp
• dead.cpp
• debug.cpp
• diablo.cpp
• doom.cpp
• drlg_l1.cpp
• drlg_l2.cpp
• drlg_l3.cpp
• drlg_l4.cpp
• dthread.cpp
• dx.cpp
• effects.cpp
• encrypt.cpp
• engine.cpp
• error.cpp
• fault.cpp
• gamemenu.cpp
• gendung.cpp [hellfire #1959]
• gmenu.cpp
• help.cpp
• init.cpp
• interfac.cpp
• inv.cpp
• items.cpp
• lighting.cpp
• loadsave.cpp
• logging.cpp
• mainmenu.cpp
• minitext.cpp
• missiles.cpp
• monster.cpp
• movie.cpp
• mpqapi.cpp
• msg.cpp
• msgcmd.cpp
• multi.cpp
• nthread.cpp
• objects.cpp
• pack.cpp
• palette.cpp
• path.cpp
• pfile.cpp
• player.cpp
• plrmsg.cpp
• portal.cpp
• quests.cpp
• render.cpp
• restrict.cpp
• scrollrt.cpp
• setmaps.cpp
• sha.cpp
• sound.cpp
• spells.cpp
• stores.cpp
• sync.cpp
• themes.cpp
• tmsg.cpp
• town.cpp
• towners.cpp
• track.cpp
• trigs.cpp
• wave.cpp