fix typo in setters for x, y
fix typo in setters for x, y

Hrishi1999/musicblocks,eohomegrownapps/musicblocks,Hrishi1999/musicblocks,walterbender/musicblocks,walterbender/musicblocks,walterbender/musicblocks,eohomegrownapps/musicblocks,Hrishi1999/musicblocks,eohomegrownapps/musicblocks