main/tcpdump: fix CVE-2020-8037

See: #12120
7 jobs for !14886 with 3.10-tcdump in 8 minutes and 22 seconds (queued for 11 seconds)
detached
Status Job ID Name Coverage
  Lint
passed #253225
docker-alpine x86_64
lint

00:01:19

 
  Build
passed #253235
docker-alpine ci-build aarch64
build-aarch64

00:01:51

passed #253236
docker-alpine ci-build armv7
build-armv7

00:02:30

passed #253233
docker-alpine ci-build ppc64le
build-ppc64le

00:04:05

passed #253231
docker-alpine ci-build s390x
build-s390x

00:00:58

passed #253229
docker-alpine ci-build x86
build-x86

00:01:25

passed #253227
docker-alpine ci-build x86_64
build-x86_64

00:00:28