Omit spurious newlines when reporting DNSKEY changes

These caused blank lines to appear in the logs.
73 jobs for !2910 with u/fanf2/key-activity-newlines in 43 minutes and 31 seconds (queued for 9 minutes and 44 seconds)
latest detached
Status Job ID Name Coverage
  Precheck
passed #571772
amd64 linux
🐞:sid:amd64

00:04:20

passed #571770
amd64 linux
autoreconf:sid:amd64

00:00:23

passed #571771
amd64 linux
misc:sid:amd64

00:00:19

 
  Build
passed #571787
amd64 linux
asan:sid:amd64

00:05:11

passed #571794
amd64 freebsd
clang:freebsd11.3:amd64

00:01:11

passed #571795
amd64 freebsd
clang:freebsd12.0:amd64

00:01:03

passed #571796
amd64 openbsd
clang:openbsd6.5:amd64

00:33:10

passed #571791
amd64 linux
clang:stretch:amd64

00:01:40

passed #571792
i386 linux
clang:stretch:i386

00:02:39

passed #571773
amd64 linux
gcc:alpine3.11:amd64

00:02:36

passed #571786
amd64 linux
gcc:bionic:amd64

00:02:04

passed #571779
amd64 linux
gcc:buster:amd64

00:02:39

passed #571774
amd64 linux
gcc:centos6:amd64

00:02:17

passed #571775
amd64 linux
gcc:centos7:amd64

00:02:05

passed #571776
amd64 linux
gcc:centos8:amd64

00:02:25

passed #571784
amd64 linux
gcc:fedora31:amd64

00:01:53

passed #571777
amd64 linux
gcc:jessie:amd64

00:01:56

passed #571780
amd64 linux
gcc:sid:amd64

00:02:21

passed #571782
i386 linux
gcc:sid:i386

00:02:51

passed #571778
amd64 linux
gcc:stretch:amd64

00:02:13

passed #571783
amd64 linux
gcc:tumbleweed:amd64

00:02:34

passed #571785
amd64 linux
gcc:xenial:amd64

00:01:03

passed #571798
amd64 windows
msvc:windows:amd64

00:01:56

passed #571790
amd64 linux
mutexatomics:sid:amd64

00:01:10

passed #571797
amd64 linux
nolibtool:sid:amd64

00:02:34

passed #571781
amd64 linux
oot:sid:amd64

00:03:15

passed #571793
amd64 linux
pkcs11:sid:amd64

00:02:27

passed #571789
amd64 linux
rwlock:sid:amd64

00:04:45

passed #571788
amd64 linux
tsan:buster:amd64

00:03:03

 
  Unit
passed #571812
amd64 linux
unit:asan:sid:amd64

00:05:11

passed #571817
amd64 freebsd
unit:clang:freebsd11.3:amd64

00:00:31

failed #571818
amd64 freebsd
unit:clang:freebsd12.0:amd64

00:05:07

passed #571815
amd64 linux
unit:clang:stretch:amd64

00:00:38

passed #571799
amd64 linux
unit:gcc:alpine3.11:amd64

00:02:28

passed #571811
amd64 linux
unit:gcc:bionic:amd64

00:00:54

passed #571805
amd64 linux
unit:gcc:buster:amd64

00:01:28

passed #571800
amd64 linux
unit:gcc:centos6:amd64

00:00:44

passed #571801
amd64 linux
unit:gcc:centos7:amd64

00:01:03

passed #571802
amd64 linux
unit:gcc:centos8:amd64

00:00:43

passed #571809
amd64 linux
unit:gcc:fedora31:amd64

00:01:30

passed #571803
amd64 linux
unit:gcc:jessie:amd64

00:00:35

passed #571806
amd64 linux
unit:gcc:sid:amd64

00:01:13

passed #571807
i386 linux
unit:gcc:sid:i386

00:01:58

passed #571804
amd64 linux
unit:gcc:stretch:amd64

00:00:40

passed #571808
amd64 linux
unit:gcc:tumbleweed:amd64

00:01:27

passed #571810
amd64 linux
unit:gcc:xenial:amd64

00:00:42

passed #571819
amd64 linux
unit:nolibtool:sid:amd64

00:01:44

passed #571816
amd64 linux
unit:pkcs11:sid:amd64

00:01:09

passed #571814
amd64 linux
unit:rwlock:sid:amd64

00:01:27

failed #571813
amd64 linux allowed to fail
unit:tsan:buster:amd64

00:05:19

 
  System
passed #571833
amd64 linux
system:asan:sid:amd64

00:10:37

passed #571837
amd64 freebsd
system:clang:freebsd11.3:amd64

00:08:32

passed #571838
amd64 freebsd
system:clang:freebsd12.0:amd64

00:08:28

passed #571820
amd64 linux
system:gcc:alpine3.11:amd64

00:09:02

failed #571832
amd64 linux
system:gcc:bionic:amd64

00:08:36

passed #571826
amd64 linux
system:gcc:buster:amd64

00:08:18

passed #571821
amd64 linux
system:gcc:centos6:amd64

00:07:49

failed #571822
amd64 linux
system:gcc:centos7:amd64

00:09:46

passed #571823
amd64 linux
system:gcc:centos8:amd64

00:07:58

failed #571830
amd64 linux
system:gcc:fedora31:amd64

00:08:57

passed #571824
amd64 linux
system:gcc:jessie:amd64

00:10:15

passed #571827
amd64 linux
system:gcc:sid:amd64

00:08:52

passed #571828
i386 linux
system:gcc:sid:i386

00:08:40

passed #571825
amd64 linux
system:gcc:stretch:amd64

00:08:51

passed #571829
amd64 linux
system:gcc:tumbleweed:amd64

00:08:26

passed #571831
amd64 linux
system:gcc:xenial:amd64

00:07:20

passed #571839
amd64 linux
system:nolibtool:sid:amd64

00:09:05

passed #571836
amd64 linux
system:pkcs11:sid:amd64

00:08:37

passed #571835
amd64 linux
system:rwlock:sid:amd64

00:09:38

failed #571834
amd64 linux allowed to fail
system:tsan:buster:amd64

00:13:47

 
  Docs
passed #571840
amd64 linux
docs:sid:amd64

00:00:31

 
  Postcheck
passed #571842
amd64 linux
cppcheck:gcc:sid:amd64

00:02:06

passed #571841
amd64 linux
scan-build:buster:amd64

00:12:41

 
Name Stage Failure
failed
system:tsan:buster:amd64 System
No job log
failed
system:gcc:fedora31:amd64 System
No job log
failed
system:gcc:bionic:amd64 System
No job log
failed
system:gcc:centos7:amd64 System
No job log
failed
unit:tsan:buster:amd64 Unit
No job log
failed
unit:clang:freebsd12.0:amd64 Unit
No job log