windows: fix GetNameInfoW error handling
windows: fix GetNameInfoW error handling

GetNameInfoW return non-zero on error, and not vice versa.

unknownbrackets/maxcso,unknownbrackets/maxcso,unknownbrackets/maxcso,unknownbrackets/maxcso,unknownbrackets/maxcso,unknownbrackets/maxcso,unknownbrackets/maxcso