Fix typo in p&s .pro.
Fix typo in p&s .pro.

Change-Id: Iafdeca91a33e1ced78fed0e5fcdc9c556adee812
Reviewed-by: Xizhi Zhu <6095b3dbb866d5a6b4a607e0cbd4aaa65e13c0b2@nokia.com>

qtproject/qtsystems,qtproject/qtsystems