[Ohrrpgce] SVN: teeemcee/8414 music_native/native2 cleanup: rename a bunch of variables to more accura

[subversion at HamsterRepublic.com]

teeemcee
2017-02-19 06:39:09 -0800 (Sun, 19 Feb 2017)
266
music_native/native2 cleanup: rename a bunch of variables to more accurate names

music_paused, music_playing, music_song all confusingly only affected MIDIs.
Also delete some unused variables (there were about 5!)
Also fixed some incorrect "> 0" checks on a pointer
---
U   wip/music_allegro.bas
U   wip/music_audiere.bas
U   wip/music_native.bas
U   wip/music_native2.bas