obu: ensure that the frame header reference is writable

12 jobs for master in 9 minutes and 16 seconds (queued for 2 seconds)
Status Name Job ID Coverage
  Build
passed build-debian #238837
debian amd64

00:00:32

passed build-debian-aarch64 #238841
aarch64 debian

00:01:27

passed build-debian-aarch64-clang-5 #238842
aarch64 debian

00:00:54

passed build-debian-static #238838
debian amd64

00:00:33

passed build-debian-werror #238844
aarch64 debian

00:00:30

passed build-macos #238843
macos

00:00:24

passed build-win32 #238839
win32

00:00:29

passed build-win64 #238840
win64

00:00:34

 
  Test
passed test-debian #238845
debian amd64

00:00:49

passed test-debian-asan #238846
debian amd64

00:02:17

passed test-debian-msan #238847
debian amd64

00:01:06

passed test-debian-ubsan #238848
debian amd64

00:01:23