[drape_frontend] Handle corner case in new subway map rendering.
[drape_frontend] Handle corner case in new subway map rendering.

darina/omim,mapsme/omim,mpimenov/omim,mapsme/omim,darina/omim,mapsme/omim,mapsme/omim,darina/omim,darina/omim,mapsme/omim,mpimenov/omim,mpimenov/omim,mapsme/omim,darina/omim,mpimenov/omim,mapsme/omim,darina/omim,darina/omim,mpimenov/omim,mpimenov/omim,mpimenov/omim,darina/omim,mapsme/omim,darina/omim,mpimenov/omim,mpimenov/omim,darina/omim,darina/omim,mapsme/omim,mpimenov/omim,mpimenov/omim,mapsme/omim,mapsme/omim,mpimenov/omim,darina/omim,mapsme/omim,mpimenov/omim,darina/omim,mapsme/omim