Disable clang 14 warning about bitwise operators in one more place
Follow up 5f2aca839400, where I missed the -Werror warning still being
emitted in libsa.
Fixes: 5f2aca839400
MFC after: 3 days
(cherry picked from commit 74f7afdfd2f5c1beaed7af1bfe89b8b520744500)