testing/openv2g: fix library build

* add missing SONAME
* fix headers installation
* bump pkgrel
7 jobs for !16713 with fix_openv2g in 2 minutes and 18 seconds (queued for 1 second)
detached
Status Job ID Name Coverage
  Lint
failed #291761
docker-alpine x86_64 allowed to fail
lint

00:00:19

 
  Build
passed #291766
docker-alpine ci-build aarch64
build-aarch64

00:01:07

passed #291767
docker-alpine ci-build armv7
build-armv7

00:01:59

passed #291765
docker-alpine ci-build ppc64le
build-ppc64le

00:01:33

passed #291764
docker-alpine ci-build s390x
build-s390x

00:00:55

passed #291763
docker-alpine ci-build x86
build-x86

00:00:41

passed #291762
docker-alpine ci-build x86_64
build-x86_64

00:01:13

 
Name Stage Failure
failed
lint Lint
No job log