Double driver registering fix by autopune (not tested by me!)
IT unpack functions must return (dest-sl_buffer), but not 1 ('!!(dest-sl_buffer);), otherwise 'if(result!=stodo)' in 'SL_LoadInternal' won't work.
Support of non-standart header size (not 0x114).
Fixed freeze on files with cutted-off unneeded instruments
Changed 'poslookupcnt' var type to UWORD, because some modules (mostly IT) may have >255 orders.
Modern alsa compilation fix by meep-eep
added defines checking to make it compilable for wince