fix and refactor window event calls
-  fixed a condition in sub_6939EB that compared against a wrong field
- added a missing break that caused the wrong text to be displayed in ride window
Merge pull request #562 from adrian17/master

Fixed two small bugs
Fix peeps sitting. Renamed a function to sprite_move
Added peep_actions set var_71 to these values
Merge pull request #563 from duncanspumpkin/fix_sitting

Fix peeps sitting. Renamed a function to sprite_move
fixes #564 - ebp not restored on mouse down event call
#558
finish ride music decompile
use mixer for ride music