 Minor. Fixes unregistered type warning.
 Minor. Fixes unregistered type warning.

 register QList<QInstaller::Component*>

Change-Id: I1329ccc9c7ad3405b3a995fb40cc77688953744a
Reviewed-by: Tim Jenssen <6a21f175c697b4129e1bafb6e9b52078bb1a6738@digia.com>

olear/qtifw,olear/qtifw,olear/qtifw,olear/qtifw