lib/resolve nitpick: fix lint after the parent commit

Returning void isn't allowed, apparently.
27 jobs for <span class="ref-name">opt-in-bogus</span> in 32 minutes and 55 seconds (queued for 7 seconds)
Status Job ID Name Coverage
  Build
passed #275926
docker linux amd64
archive

00:00:54

passed #275927
docker linux amd64
build

00:01:03

passed #275928
docker linux amd64
build-asan

00:01:03

passed #275929
docker
kres-gen

00:01:03

 
  Test
passed #275930
docker delayed
build:darwin

00:01:47

passed #275931
docker linux amd64
deckard

00:02:34

passed #275932
docker delayed
doc

00:01:13

passed #275933
dind
docker

00:01:59

passed #275934
docker delayed
lint:other

00:00:54

passed #275935
docker linux amd64 delayed
lint:pedantic

00:01:07

passed #275936
docker linux amd64
lint:scan-build

00:02:22

passed #275937
docker linux amd64
lint:tidy

00:03:03

passed #275938
privileged
pkg:epel-7

00:01:49

passed #275939
privileged
pkg:fedora-29

00:02:26

passed #275940
docker linux amd64
respdiff:basic

00:04:54

passed #275941
docker linux amd64 delayed
test:valgrind

00:02:17

 
  Extended
passed #275943
respdiff
fwd-tls6-kresd.udp6

00:20:27

passed #275944
respdiff
fwd-udp6-kresd.udp6

00:13:24

passed #275948
respdiff
fwd-udp6-unbound.tcp6

00:13:55

passed #275949
respdiff
fwd-udp6-unbound.tls6

00:19:55

passed #275947
respdiff
fwd-udp6-unbound.udp6

00:20:55

failed #275946
respdiff
iter.tls6

00:20:26

passed #275945
respdiff
iter.udp6

00:26:56

passed #275942
docker linux amd64
pytests

00:04:50

passed #275950
respdiff
resperf:fwd-tls6.udp-asan

00:23:21

failed #275951
respdiff
resperf:fwd-udp6.udp-asan

00:09:20

passed #275952
respdiff
resperf:iter.udp-asan

00:11:50

 
Name Stage Failure
failed
iter.tls6 Extended
Running after script...
$ cp -t . respdiff_commitdir/$RESPDIFF_TEST/j* ||:
$ cp -t . respdiff_commitdir/*$RESPDIFF_TEST*.png ||:
Uploading artifacts...
Runtime platform arch=amd64 os=linux pid=140986 revision=6946bae7 version=12.0.0
./j*: found 11 matching files
./*.png: found 3 matching files
Uploading artifacts to coordinator... ok id=275946 responseStatus=201 Created token=Ur5kqH3V
ERROR: Job failed: exit status 1
failed
resperf:fwd-udp6.udp-asan Extended
Attaching to dir_12274_kresd_fwd_target_1, dir_12274_kresd_1
$ exit $EXITCODE
Running after script...
$ cp -t . resperf_commitdir/$RESPERF_TEST/j* ||:
Uploading artifacts...
Runtime platform arch=amd64 os=linux pid=138981 revision=6946bae7 version=12.0.0
./j*: found 7 matching files
Uploading artifacts to coordinator... ok id=275951 responseStatus=201 Created token=1aRcd3Z3
ERROR: Job failed: exit status 139