component/git: backport a fix for parrallel make

fix this error:

      t/unit-tests/clar/clar.c:209:10: fatal error: clar.suite: No such file or directory
      209 | #include "clar.suite"
            |          ^~~~~~~~~~~~
      compilation terminated.
      make: *** [Makefile:2795: t/unit-tests/clar/clar.o] Error 1
      git: Command 'set -e;make ' returned non-zero exit status 2.
      git: Compilation error. The package is left as is at /srv/slapgrid/slappart47/t/drw/shared/git/832728c0d7e76c5e768f4e3b2767d29d/.build/git-2.47.1 where you can inspect what went wrong.
      A shell script slapos.recipe.build.env.sh has been generated. You can source it in your shell to reproduce build environment.
      While:
      Installing git.
      Error: System error
Status Job ID Name Coverage
  External
passed Cloudooo.UnitTest-Master

00:20:30

passed ERP5.StandaloneDeploymentScriptTest-Debian.Buster

00:34:59

running SlapOS.Eggs.UnitTest-Master.Python2

407:58:04

passed SlapOS.Eggs.UnitTest-Master.Python3

00:51:35

passed SlapOS.Eggs.UnitTest-Master.Python3Next

04:27:02

failed SlapOS.SoftwareReleases.IntegrationTest-Master

21:05:32

passed SlapOS.Theia.ResilienceTest-Master-ERP5

10:13:19

failed Wendelin.StandaloneDeploymentScriptTest-Debian.Buster

15:03:06

failed Wendelin.StandaloneDeploymentScriptTest-Debian.Buster.Master

15:08:44

failed Wendelin.UnitTest-Master-Py3

02:28:26

failed Zodbtools.UnitTest-Master.ZODB6.Python3

00:05:14

passed ERP5.StandaloneDeploymentScriptTest-Debian.Buster

00:35:54

passed SlapOS.Eggs.UnitTest-Master.Python2

00:34:09

passed SlapOS.Eggs.UnitTest-Master.Python2

00:34:17

passed SlapOS.Eggs.UnitTest-Master.Python3

00:32:46

failed SlapOS.Eggs.UnitTest-Master.Python3Next

01:02:45

failed Wendelin.UnitTest-Master-Py3

00:00:44

failed Wendelin.UnitTest-Master-Py3

00:00:10

failed Wendelin.UnitTest-Master-Py3

failed Wendelin.UnitTest-Master-Py3

00:00:41

failed Wendelin.UnitTest-Master-Py3

00:00:52

failed Wendelin.UnitTest-Master-Py3

00:00:53

failed Wendelin.UnitTest-Master-Py3

00:00:48

failed Wendelin.UnitTest-Master-Py3

01:40:58

failed Wendelin.UnitTest-Master-Py3

00:00:47

failed Wendelin.UnitTest-Master-Py3

00:00:47

failed Wendelin.UnitTest-Master-Py3

00:00:48

failed Wendelin.UnitTest-Master-Py3

00:00:40

failed Wendelin.UnitTest-Master-Py3

00:00:49

failed Wendelin.UnitTest-Master-Py3

00:00:42

failed Wendelin.UnitTest-Master-Py3

failed Wendelin.UnitTest-Master-Py3

00:00:25

failed Wendelin.UnitTest-Master-Py3

00:00:45

failed Wendelin.UnitTest-Master-Py3

00:00:43

failed Wendelin.UnitTest-Master-Py3

02:13:21

failed Wendelin.UnitTest-Master-Py3

00:00:42

failed Wendelin.UnitTest-Master-Py3

00:00:48

failed Wendelin.UnitTest-Master-Py3

00:00:45

failed Wendelin.UnitTest-Master-Py3

00:00:44

failed Wendelin.UnitTest-Master-Py3

00:00:42

failed Wendelin.UnitTest-Master-Py3

00:00:42

failed Wendelin.UnitTest-Master-Py3

00:00:47

failed Wendelin.UnitTest-Master-Py3

00:00:36

failed Wendelin.UnitTest-Master-Py3

00:01:06

failed Wendelin.UnitTest-Master-Py3

00:00:44

failed Wendelin.UnitTest-Master-Py3

01:57:05

failed Wendelin.UnitTest-Master-Py3

00:00:45

failed Wendelin.UnitTest-Master-Py3

00:00:45

failed Wendelin.UnitTest-Master-Py3

00:00:39

failed Wendelin.UnitTest-Master-Py3

00:00:42

failed Wendelin.UnitTest-Master-Py3

00:00:48

failed Wendelin.UnitTest-Master-Py3

00:00:38

failed Wendelin.UnitTest-Master-Py3

00:00:46

failed Wendelin.UnitTest-Master-Py3

00:00:48

failed Wendelin.UnitTest-Master-Py3

01:12:58

failed Wendelin.UnitTest-Master-Py3

00:00:27

failed Wendelin.UnitTest-Master-Py3

01:25:48

failed Wendelin.UnitTest-Master-Py3

00:00:35

failed Wendelin.UnitTest-Master-Py3

00:00:35

failed Wendelin.UnitTest-Master-Py3

00:00:44

failed Wendelin.UnitTest-Master-Py3

00:01:18

failed Wendelin.UnitTest-Master-Py3

00:00:37

failed Wendelin.UnitTest-Master-Py3

00:00:50

failed Wendelin.UnitTest-Master-Py3

00:00:42

failed Wendelin.UnitTest-Master-Py3

00:00:43

failed Wendelin.UnitTest-Master-Py3

00:37:37

failed Wendelin.UnitTest-Master-Py3

00:01:12

failed Wendelin.UnitTest-Master-Py3

00:00:41

failed Wendelin.UnitTest-Master-Py3

00:01:32

failed Wendelin.UnitTest-Master-Py3

00:00:35