Merge branch '168-coverity-incorrect-shifting-in-dns_rpz_mask' into 'master'

Resolve "coverity: Incorrect shifting in DNS_RPZ_MASK"

Closes #168

See merge request !151
7 jobs for 169-rpzrecurse-test-fails-on-v9_9_sub-branch-due-to-servfail-cache in 6 minutes and 29 seconds (queued for 7 seconds)
Status Job ID Name Coverage
  Precheck
passed precheck:debian:sid:amd64 #5406
docker linux

00:00:10

 
  Build
passed build:debian:sid:amd64 #5407
docker linux

00:01:34

passed build:debian:sid:i386 #5408
docker linux

00:01:39

 
  Test
passed systemtest:debian:sid:amd64 #5411
docker linux

00:04:38

passed systemtest:debian:sid:i386 #5412
docker linux

00:04:39

passed unittest:debian:sid:amd64 #5409
docker linux

00:00:48

passed unittest:debian:sid:i386 #5410
docker linux

00:00:47