fix centos build issue
fix centos build issue

In vagrant, after executing precise-build, the tarball will be
available at git/calamari-clients*tar.gz

But centos build was looking for the tarball in
git/calamari-clients/calamari-clients*tar.gz.
This is now corrected.

Signed-off-by: Kanagaraj M <a744b691cd98174fb19a473a8cf78b810491e452@redhat.com>

SUSE/calamari-clients,ceph/romana,SUSE/romana,ceph/romana,SUSE/romana,SUSE/calamari-clients,SUSE/calamari-clients,SUSE/calamari-clients,SUSE/romana,GregMeno/test,ceph/romana,ceph/calamari-clients,ceph/romana,ceph/calamari-clients,ceph/calamari-clients,SUSE/calamari-clients,GregMeno/test,ceph/romana,GregMeno/test,SUSE/romana,SUSE/romana,ceph/calamari-clients,GregMeno/test,ceph/calamari-clients,GregMeno/test