Use qtxmlpatterns only if it is available
Use qtxmlpatterns only if it is available

Change-Id: I6a84f8b35f26fbe44b51ecf4f38aa2619996e83a
Reviewed-by: Oswald Buddenhagen <6a8868beda3e139b5ac22b2534a23d3e6ba81819@nokia.com>

kobolabs/qtquick1,kobolabs/qtquick1,kobolabs/qtquick1,kobolabs/qtquick1,kobolabs/qtquick1,kobolabs/qtquick1