fix for bug - http://code.google.com/p/as3isolib/issues/detail?id=21
fix for bug - http://code.google.com/p/as3isolib/issues/detail?id=21

will commit change to fp9 trunk as well.

liuju/as3isolib.v1,as3isolib/as3isolib.v1,liuju/as3isolib.v1,dreamsxin/as3isolib.v1,as3isolib/as3isolib.v1,dreamsxin/as3isolib.v1