Enum values passed as QVariant to QML Connections element

A C++ signal parameter of type enum is passed to the QML Connections element as a QVariant(EnumType). This bug was fixed partially for Qt 4.7.4 but a new patch was submitted and never integrated in the Qt 4.8 branch. It's important to fix this issue as at this stage it's not possible to use Connections with a signal that has enums as parameters. This link is the old bug report with the patch attached that should fix the problem, at least until Qt 5