Update .gitlab-ci.yml

1 job for master in 19 seconds (queued for 4 seconds)
latest
Status Name Job ID Coverage
  Build
failed build #1994

00:00:19

 
Name Stage Failure
failed
build Build

-- Configuring incomplete, errors occurred!
See also "/builds/gaussier/drone_flyMonitor2/blc/drone_flyMonitor2/Com_server/build/CMakeFiles/CMakeOutput.log".
make[1]: *** No targets specified and no makefile found. Stop.
make[1]: Entering directory '/builds/gaussier/drone_flyMonitor2/blc/drone_flyMonitor2/Com_server/build'
make[1]: Leaving directory '/builds/gaussier/drone_flyMonitor2/blc/drone_flyMonitor2/Com_server/build'
Makefile:6: recipe for target 'flyMonitor' failed
make: *** [flyMonitor] Error 2
ERROR: Job failed: exit code 1