ci-build.sh:  Ensure script fails when it should.
ci-build.sh:  Ensure script fails when it should.

Restore bash -e flag which causes script to halt if any individual
command failed, and change one conditional expression to a proper
if-statement since the conditional might be interpreted as a failed
command and halt the script.

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

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