Bug 1271625 - Guard against unsafe subtraction of unsigned values
Bug 1271625 - Guard against unsafe subtraction of unsigned values

cliqz-oss/browser-ios,sharath-cliqz/browser-ios,cliqz-oss/browser-ios,cliqz-oss/browser-ios,cliqz-oss/browser-ios,sharath-cliqz/browser-ios,cliqz-oss/browser-ios,sharath-cliqz/browser-ios,cliqz-oss/browser-ios,sharath-cliqz/browser-ios,cliqz-oss/browser-ios,sharath-cliqz/browser-ios,cliqz-oss/browser-ios,sharath-cliqz/browser-ios,sharath-cliqz/browser-ios,sharath-cliqz/browser-ios