patch samefile method for windows user whos python version under 3.2
patch samefile method for windows user whos python version under 3.2

halfcrazy/thriftpy,eleme/thriftpy,adsharma/flattools,eleme/thriftpy,keitheis/thriftpy,adsharma/flattools,keitheis/thriftpy,halfcrazy/thriftpy,adsharma/flattools