"fix" license headers

our policy and even more its implementation is mildly braindead ...

(cherry picked from commit 29a0fc05c1c0d31adc3787feb4d79bcc0af930f8)

Change-Id: I2a97a691af9218f035d4771820a9a265f945ad27
Reviewed-on: http://codereview.qt-project.org/4615


Reviewed-by: Qt Sanity Bot <qt_sanity_bot@ovi.com>
Reviewed-by: Oswald Buddenhagen <oswald.buddenhagen@nokia.com>