Security update for librttopo
This update for librttopo fixes the following issues:
- CVE-2017-18359: Fixed a denial of service in rtgeom_to_x3d3() (boo#1201215)
- Submitted by Bruno Friedmann (bruno_friedmann)
Fixed bugs
bnc#1201215
VUL-0: CVE-2017-18359: librttopo: denial of service in rtgeom_to_x3d3()