explicitly build against qt4
explicitly build against qt4

ericLemanissier/qdjango,ericLemanissier/qdjango,jlaine/qdjango,paradoxon82/qdjango,paradoxon82/qdjango,jlaine/qdjango,paradoxon82/qdjango,ericLemanissier/qdjango,ericLemanissier/qdjango,ericLemanissier/qdjango,jlaine/qdjango,paradoxon82/qdjango,jlaine/qdjango,jlaine/qdjango,paradoxon82/qdjango