Fix bugs in handling mac-specific character sets
Fix bugs in handling mac-specific character sets

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