fix typo in local variable in update hook which caused the real variable to leak into global scope and cause strange side-effects, as seen in https://github.com/matb33/meteor-collection-hooks/issues/109#issuecomment-95243659
fix typo in local variable in update hook which caused the real variable to leak into global scope and cause strange side-effects, as seen in https://github.com/matb33/meteor-collection-hooks/issues/109#issuecomment-95243659

rclai/meteor-collection-hooks,aramk/meteor-collection-hooks,matb33/meteor-collection-hooks,ultimate-ide/collection-hooks