COMP: Fixed qRegisterMetaTypeStreamOperators<>() compilation error on old version of Qt (before 4.7.?).
COMP: Fixed qRegisterMetaTypeStreamOperators<>() compilation error on old version of Qt (before 4.7.?).

orfeotoolbox/OTB,orfeotoolbox/OTB,orfeotoolbox/OTB,orfeotoolbox/OTB,orfeotoolbox/OTB,orfeotoolbox/OTB