Merge branch 'kyua-oot' into 'master'

chg: dev: Unit tests were broken in out-of-tree builds.

See merge request isc-projects/bind9!57

diff --cc Makefile.in
Simple merge

diff --cc lib/dns/tests/Makefile.in
Simple merge

diff --cc lib/irs/tests/Makefile.in
Simple merge

diff --cc lib/isc/tests/Makefile.in
Simple merge

diff --cc lib/isccfg/tests/Makefile.in
Simple merge

diff --cc lib/ns/tests/Makefile.in
Simple merge