Fix parsing of Info-Zip UNIX extra field
Fix parsing of Info-Zip UNIX extra field

aleksejrs/theunarchiver,Bulat-Ziganshin/theunarchiver,letup/theunarchiver,jianlinwei/theunarchiver,gwerz/theunarchiver,aleksejrs/theunarchiver,siranwu/theunarchiver,aleksejrs/theunarchiver,letup/theunarchiver,zammitjames/theunarchiver,cyranodb/theunarchiver,pombreda/theunarchiver-migrated,pombreda/theunarchiver-migrated,3van/theunarchiver,witwall/theunarchiver,cyranodb/theunarchiver,gco/theunarchiver,galaxy001/theunarchiver,dsp2003/theunarchiver,letup/theunarchiver,nagyist/theunarchiver,galaxy001/theunarchiver,galaxy001/theunarchiver,jsdf/theunarchiver,witwall/theunarchiver,markcox/theunarchiver,gco/theunarchiver,Bulat-Ziganshin/theunarchiver,pombreda/theunarchiver,siranwu/theunarchiver,venj/theunarchiver,nagyist/theunarchiver,sereko/theunarchiver,gco/theunarchiver,pombreda/theunarchiver-migrated,ethus3h/theunarchiver,dsp2003/theunarchiver,amolofos/theunarchiver,jianlinwei/theunarchiver,ethus3h/theunarchiver,gwerz/theunarchiver,markcox/theunarchiver,pombreda/theunarchiver,Matiaz/theunarchiver,cyranodb/theunarchiver,zammitjames/theunarchiver,Jarvik7/theunarchiver,3van/theunarchiver,Jarvik7/theunarchiver,jsdf/theunarchiver,Matiaz/theunarchiver,ethus3h/theunarchiver,markcox/theunarchiver,venj/theunarchiver,jsdf/theunarchiver,witwall/theunarchiver,sereko/theunarchiver,jianlinwei/theunarchiver,dsp2003/theunarchiver,Bulat-Ziganshin/theunarchiver,siranwu/theunarchiver,nagyist/theunarchiver,Jarvik7/theunarchiver,3van/theunarchiver,sereko/theunarchiver,venj/theunarchiver,pombreda/theunarchiver,zammitjames/theunarchiver,gwerz/theunarchiver,amolofos/theunarchiver,Matiaz/theunarchiver,amolofos/theunarchiver