cmake: fix qt_flib (qtutils.cmake)
cmake: fix qt_flib (qtutils.cmake)

Change-Id: Ib254dd0a32964462de3bffd94b24773bfcea7de3
Reviewed-on: http://gerrit.aldebaran.lan:8080/628
Reviewed-by: cgestes <ddb78fe00abb42f91254c16a0860e38eb0781789@aldebaran-robotics.com>
Tested-by: cgestes <ddb78fe00abb42f91254c16a0860e38eb0781789@aldebaran-robotics.com>

dmerejkowsky/qibuild,aldebaran/qibuild,aldebaran/qibuild,dmerejkowsky/qibuild,dmerejkowsky/qibuild,aldebaran/qibuild,dmerejkowsky/qibuild,aldebaran/qibuild,dmerejkowsky/qibuild