cairo-bentley-ottmann.c: Added NULL checks

7 jobs for fix-bentley-ottmann in 23 minutes and 28 seconds (queued for 1 second)
latest
Status Job ID Name Coverage
  Prep
passed #6835219
fedora image

00:00:13

 
  Test
passed #6835220
fedora autotools build

00:23:15

passed #6835221
fedora meson build

00:00:28

passed #6835224
meson android arm64 fedora

00:02:11

passed #6835225
gst-macos-10.15
meson macOS

00:02:13

passed #6835222
docker windows 1809
meson vs2017 amd64

00:03:01

passed #6835223
docker windows 1809
meson vs2017 x86

00:03:03