Remove use od constBits() which is not present in Qt 4.6.
Remove use od constBits() which is not present in Qt 4.6.

keir/libmv,keir/libmv,keir/libmv,Nazg-Gul/libmv,Nazg-Gul/libmv,Nazg-Gul/libmv,Nazg-Gul/libmv,Nazg-Gul/libmv,keir/libmv