Separate Copy_Wide_Str from Copy_OS_Str
Separate Copy_Wide_Str from Copy_OS_Str

This function could be used even when OS doesn't support wide
characters

rgchris/ren-c,codebybrett/ren-c,rgchris/ren-c,kealist/ren-c,mbk/ren-c,draegtun/ren-c,hostilefork/rebol,giuliolunati/ren-c,giuliolunati/ren-c,giuliolunati/ren-c,kealist/ren-c,rgchris/ren-c,kealist/ren-c,draegtun/ren-c,hostilefork/rebol,mbk/ren-c,codebybrett/ren-c,giuliolunati/ren-c,rgchris/ren-c,draegtun/ren-c,codebybrett/ren-c,rgchris/ren-c,kealist/ren-c,draegtun/ren-c,hostilefork/rebol,kealist/ren-c,codebybrett/ren-c,codebybrett/ren-c,draegtun/ren-c,mbk/ren-c,draegtun/ren-c,kealist/ren-c,hostilefork/rebol,giuliolunati/ren-c,mbk/ren-c,codebybrett/ren-c,hostilefork/rebol,hostilefork/rebol