Fix crash in Flickable with pressDelay.
Fix crash in Flickable with pressDelay.

Looks like this was exposed by the touch event compression change.

matthewvogt/qtdeclarative,matthewvogt/qtdeclarative,matthewvogt/qtdeclarative,matthewvogt/qtdeclarative,matthewvogt/qtdeclarative,matthewvogt/qtdeclarative,matthewvogt/qtdeclarative,matthewvogt/qtdeclarative