[octave forge] windows package 1.4.0 release

[John Donoghue-3]

A new version of the windows package has been uploaded to octave-forge web
site [1]

Changes in this release are:

** added winopen function

** added COM conversion of arrays of double and char,
     and unsigned conversions

** bugfix winqueryreg root prefix check and expanded to convert to
     octave type similar to octave core function


[1]  https://octave.sourceforge.io/windows/