Fixing syntax error

This patch is fixing syntax error which is ignored by Puppet 3.3-,
but of F20 we have Puppet 3.4 already hence packstack does not work
there.

Change-Id: Id2ed979f7ef08cfdc623600c8d8fed79096ca8e8
(cherry picked from commit 2c1037cd254e50a2698d64b0d6663eda9334f274)
Merge "Fixing syntax error" into havana