Fix for issue 68. ->fpos member was not being set for beats on song load thus, after undo operation, the ->fpos member for all beats still referred to their pre-undo positions.
Fix for issue 68. ->fpos member was not being set for beats on song load thus, after undo operation, the ->fpos member for all beats still referred to their pre-undo positions.

git-svn-id: 80300035c0945e1dead713df30ec139394dadc1f@118 1b2aedea-9eff-cdc0-263b-b87a75789507

cincodenada/editor-on-fire,cincodenada/editor-on-fire,cincodenada/editor-on-fire,cincodenada/editor-on-fire