port rev. 2680: Restore 48 digit ITF
port rev. 2680:
Restore 48 digit ITF

git-svn-id: 98f681d7a2907ee2a41df434552134740bcc8829@86188 81fbe566-5dc4-48c1-bdea-7421811ca204

dawidcieszynski/ZXing.Net,dawidcieszynski/ZXing.Net