Log Message:
Update to 1.2.12. Update license (see below).
fluidsynth dependency not added since upstream seems to be missing
the necessary fluid_player_add_mem code (even though patchset from 2010
exists).

1.2.12:
Sam Lantinga - Sat Jan 14 22:00:29 2012 -0500
 * Fixed seek offset with SMPEG (was relative, should be absolute)
Sam Lantinga - Fri Jan 13 03:04:27 EST 2012
 * Fixed memory crash loading Ogg Vorbis files on Windows
Sam Lantinga - Thu Jan 05 22:51:54 2012 -0500
 * Added an Xcode project for iOS
Nikos Chantziaras - 2012-01-02 17:37:36 PST
 * Added Mix_LoadMUSType_RW() so you can tell SDL_mixer what type the music is
Sam Lantinga - Sun Jan 01 16:45:58 2012 -0500
 * Fixed looping native MIDI on Mac OS X and Windows
Sam Lantinga - Sun Jan 01 01:00:51 2012 -0500
 * Added /usr/local/share/timidity to the timidity data path
Sam Lantinga - Sat Dec 31 21:26:46 2011 -0500
 * Fixed timidity loading of some MIDI files
Sam Lantinga - Sat Dec 31 19:11:59 EST 2011
 * Fixed dropping audio in the FLAC audio decoding
Sam Lantinga - Sat Dec 31 18:32:05 EST 2011
 * Fixed memory leak in SDL_LoadMUS()
Sam Lantinga - Sat Dec 31 10:22:05 EST 2011
 * Removed GPL native MIDI code for new licensing
Sam Lantinga - Sat Dec 31 10:22:05 EST 2011
 * SDL_mixer is now under the zlib license
Manuel Montezelo - 2011-12-28 11:42:44 PST
 * Fixed drums playing on MIDI channel 16 with timidity
Ryan C. Gordon - Wed Jun 15 03:41:31 2011 -0400
 * The music-finished hook can start a track immediately
James Le Cuirot - Mon Mar 21 16:54:11 PDT 2011
 * Added support for FluidSynth
Egor Suvorov - Tue Jan 18 11:06:47 PST 2011
 * Added support for native MIDI on Haiku
Sam Lantinga - Tue Jan 11 01:29:19 2011 -0800
 * Added Android.mk to build on the Android platform
Jon Atkins - Sat Nov 14 13:00:18 PST 2009
 * Added support for libmodplug (disabled by default)