build: Install git in gitlab CI configuration

3 jobs for master in 1 minute and 1 second (queued for 1 second)
Status Job ID Name Coverage
  Autogen
passed #958
autogen

00:00:38

 
  Build
failed #959
build

00:00:23

 
  Test
skipped #960
test
 
Name Stage Failure
failed
build Build
Setting up libtool (2.4.6-2) ...
Setting up gcc (4:6.3.0-4) ...
Setting up libgssapi-krb5-2:amd64 (1.15-1+deb9u1) ...
Setting up libcurl3-gnutls:amd64 (7.52.1-5+deb9u6) ...
Setting up git (1:2.11.0-3+deb9u3) ...
Processing triggers for libc-bin (2.24-11+deb9u3) ...
$ make
make: *** No targets specified and no makefile found. Stop.
ERROR: Job failed: exit code 1