Building with --with-liburcu=qsbr fails

Job #3440349 failed for c26d6660.

Building with --with-liburcu=qsbr fails with:

In file included from view.c:33:
view.c: In function 'dns_view_detach':
../../lib/isc/include/isc/urcu.h:106:27: error: implicit declaration of function 'isc_qsbr_syncronize_rcu'; did you mean 'isc_qsbr_synchronize_rcu'? [-Werror=implicit-function-declaration]
  106 | #define synchronize_rcu() isc_qsbr_syncronize_rcu()
      |                           ^~~~~~~~~~~~~~~~~~~~~~~
view.c:542:25: note: in expansion of macro 'synchronize_rcu'
  542 |                         synchronize_rcu();
      |                         ^~~~~~~~~~~~~~~

It's a permanent failure in the pairwise CI job.

!7990 (merged) seems like the culprit.