main/exiv2: fix CVE-2019-20421

See #11191
7 jobs for !5439 with 3.11-exiv2 in 2 minutes and 37 seconds
detached
Status Job ID Name Coverage
  Lint
passed #66897
docker-alpine x86_64
lint

00:00:31

 
  Build
passed #66902
docker-alpine ci-build aarch64
build-aarch64

00:01:30

passed #66903
docker-alpine ci-build armv7
build-armv7

00:01:19

passed #66901
docker-alpine ci-build ppc64le
build-ppc64le

00:01:29

passed #66900
docker-alpine ci-build s390x
build-s390x

00:00:51

passed #66899
docker-alpine ci-build x86
build-x86

00:00:57

passed #66898
docker-alpine ci-build x86_64
build-x86_64

00:00:56