SPEC: rpmlint fixes
SPEC: rpmlint fixes

Use %{_unitdir} macro instead of harcoding /lib/... path.

Signed-off-by: Michal Minar <ea3139ea422390c9a8bd6d7fb9ba423400fabbd1@redhat.com>

marsmensch/atomic-enterprise,projectatomic/atomic-enterprise,marsmensch/atomic-enterprise,projectatomic/atomic-enterprise,wanghaoran1988/atomic-enterprise,markllama/atomic-enterprise,markllama/atomic-enterprise,wanghaoran1988/atomic-enterprise,pombredanne/atomic-enterprise,miminar/atomic-enterprise,markllama/atomic-enterprise,wanghaoran1988/atomic-enterprise,marsmensch/atomic-enterprise,pombredanne/atomic-enterprise,marsmensch/atomic-enterprise,wanghaoran1988/atomic-enterprise,wanghaoran1988/atomic-enterprise,pombredanne/atomic-enterprise,miminar/atomic-enterprise,marsmensch/atomic-enterprise,projectatomic/atomic-enterprise,projectatomic/atomic-enterprise,pombredanne/atomic-enterprise,projectatomic/atomic-enterprise,projectatomic/atomic-enterprise,markllama/atomic-enterprise,miminar/atomic-enterprise,miminar/atomic-enterprise,pombredanne/atomic-enterprise,pombredanne/atomic-enterprise,markllama/atomic-enterprise,markllama/atomic-enterprise,miminar/atomic-enterprise,miminar/atomic-enterprise,marsmensch/atomic-enterprise,wanghaoran1988/atomic-enterprise