/vsizip/ : recode filenames from CP437 (or CP_OEMCP on Windows), or encoding indicated in CPL_ZIP_ENCODING config option if there are not already in UTF-8 (general purpose bit 11 unset) and that extra field 0x7075 is not available (#5361)

git-svn-id: https://svn.osgeo.org/gdal/trunk@26889 f0d54148-0727-0410-94bb-9a71ac55c965
Merge branch 'trunk' into trunk_travis_macosx