Don't warn for implicit fallthroughs
Don't warn for implicit fallthroughs

This is the result of Ragel output which we can't control.

YorickPeterse/oga,ttasanen/oga,YorickPeterse/oga,YorickPeterse/oga,ttasanen/oga,YorickPeterse/oga,ttasanen/oga,YorickPeterse/oga,ttasanen/oga,ttasanen/oga