Fix mapping for huge allocation. There was an off by one error.
Fix mapping for huge allocation. There was an off by one error.

SDC-Developers/SDC,schancel/SDC,SDC-Developers/SDC,UplinkCoder/SDC,JohanEngelen/SDC,schancel/SDC,bpr/SDC,bpr/SDC,UplinkCoder/SDC,bpr/SDC,JohanEngelen/SDC,sidmutha/SDC,sidmutha/SDC,deadalnix/SDC,schancel/SDC,JohanEngelen/SDC,deadalnix/SDC,UplinkCoder/SDC,sidmutha/SDC,SDC-Developers/SDC,deadalnix/SDC