Add CHANGES entry

5020.	[bug]		dig returned a non-zero exit code when it received a
			reply over TCP after a retry. [GL #487]

(cherry picked from commit 59057bee)
17 jobs for 487-reset-dig-exit-code-after-a-tcp-connection-is-established-v9_11 in 12 minutes and 58 seconds (queued for 8 seconds)
Status Job ID Name Coverage
  Precheck
passed precheck:debian:sid:amd64 #46582
amd64 docker linux

00:00:17

 
  Build
passed build:centos:centos6:amd64 #46611
linux docker amd64

00:01:57

passed build:centos:centos7:amd64 #46584
amd64 docker linux

00:02:04

passed build:debian:sid:amd64 #46585
amd64 docker linux

00:01:23

passed build:debian:sid:i386 #46586
i386 docker linux

00:01:27

passed build:centos:centos6:amd64 #46583
amd64 docker linux

00:01:56

 
  Test
passed install:debian:sid:amd64 #46595
amd64 docker linux

00:03:07

passed systemtest:centos:centos6:amd64 #46612
amd64 docker linux

00:04:00

passed systemtest:centos:centos7:amd64 #46592
amd64 docker linux

00:04:24

passed systemtest:debian:sid:amd64 #46593
amd64 docker linux

00:04:20

passed systemtest:debian:sid:i386 #46594
i386 docker linux

00:04:36

passed unittest:centos:centos6:amd64 #46587
amd64 docker linux

00:01:03

passed unittest:centos:centos7:amd64 #46588
amd64 docker linux

00:01:04

passed unittest:debian:sid:amd64 #46589
amd64 docker linux

00:00:52

passed unittest:debian:sid:i386 #46590
i386 docker linux

00:00:51

failed systemtest:centos:centos6:amd64 #46591
amd64 docker linux

00:04:29

failed systemtest:centos:centos6:amd64 #46610
linux docker amd64