Fix directory path

1 job for add/build in 1 minute and 34 seconds (queued for 2 seconds)
Status Job ID Name Coverage
  Build
failed #4003
package

00:01:34

 
Name Stage Failure
failed
package Build
-rw-rw-rw-. 1 root root   312 May 28 00:47 README.md
-rw-r--r--. 1 root root 7979 May 28 00:47 nginx_1.17.0-1~eth-jessie.diff.gz
-rw-r--r--. 1 root root 804 May 28 00:47 nginx_1.17.0-1~eth-jessie.dsc
-rw-r--r--. 1 root root 3936 May 28 00:47 nginx_1.17.0-1~eth-jessie_amd64.build
-rw-r--r--. 1 root root 170 May 28 00:47 nginx_1.17.0-1~eth.orig.tar.gz
drwxrwxrwx. 4 root root 4096 May 28 00:47 source
$ ls -la $CI_PROJECT_DIR../
ls: cannot access '/builds/debian/nginx-package-build../': No such file or directory
ERROR: Job failed: exit code 1