*Fixed a crash that would occur when saving or creating an undo state after importing a Guitar Pro file.  The allocated pro guitar structure is now explicitly initialized to zero to prevent this from occurring when new variables are added to the structure.
*Fixed a crash that would occur when saving or creating an undo state after importing a Guitar Pro file.  The allocated pro guitar structure is now explicitly initialized to zero to prevent this from occurring when new variables are added to the structure.

git-svn-id: 80300035c0945e1dead713df30ec139394dadc1f@1019 1b2aedea-9eff-cdc0-263b-b87a75789507

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