Previously missed a line in BamReader.cpp with the recent index overhaul.
Previously missed a line in BamReader.cpp with the recent index overhaul.

iontorrent/bamtools,pezmaster31/bamtools,sksaskrobinsons/code,boratonAJ/bamtools,sksaskrobinsons/code,kdmurray91/bamtools,domibel/bamtools,kdmurray91/bamtools,SANBI-SA/bamtools,iontorrent/bamtools,pezmaster31/bamtools,domibel/bamtools,pezmaster31/bamtools,SANBI-SA/bamtools,pezmaster31/bamtools,boratonAJ/bamtools