QtIFW

Force start menu cache update.

Task-number: QTCREATORBUG-8145

Seems to be a known issue on at least Windows Vista.

Change-Id: Ib3b6a405f704da991773cbe1ef3c16c1f763959c
Reviewed-by: Tim Jenssen <tim.jenssen@digia.com>
Reviewed-by: Robert Loehning <robert.loehning@digia.com>