Fixed issue #2: handle to the original bad face was recovered incorrectly when the Steiner point falled on an edge, since the face's node handles were reused for other purpose.
Fixed issue #2: handle to the original bad face was recovered incorrectly when
the Steiner point falled on an edge, since the face's node handles were reused
for other purpose.

saggita/umeshu,lsy176/umeshu,lsy176/umeshu,Mattey40/umeshu,Mattey40/umeshu,saggita/umeshu,Mattey40/umeshu,lsy176/umeshu,saggita/umeshu