error when installing io package

[John W. Eaton]

I noticed an error from movefile when installing the io package on 
windows saying that there were no files to move.  Can anyone else 
confirm this problem, or is it just me?  All I did was

  pkg install -noauto -verbose io-2.2.6.tar.gz

and the installation fails with the movefile "no files to move" error.

Should this problem be fixed in pkg by avoiding the call to movefile if 
there are no files to move, or should movefile simply issue a warning if 
there are no files to move and return success?

jwe