ci-build.sh: Fix bug script exit when user.name unset
ci-build.sh: Fix bug script exit when user.name unset

git config user.name/email would return non-zero if the key is not
defined. Since the script is running with -e flag, we need to escape
this and not abort the script.

Signed-off-by: Gunnar Andersson <df6c1dc70ee3404c16d7de0a5a8d978b44fa18d4@genivi.org>

GENIVI/genivi-dev-platform,chbae/genivi-dev-platform,chbae/genivi-dev-platform,GENIVI/genivi-dev-platform,chbae/genivi-dev-platform,GENIVI/genivi-dev-platform,gunnarx/genivi-dev-platform,gunnarx/genivi-dev-platform,gunnarx/genivi-dev-platform,GENIVI/genivi-dev-platform,chbae/genivi-dev-platform,gunnarx/genivi-dev-platform