fix about dialog copyright notice in qrceditor
fix about dialog copyright notice in qrceditor

Change-Id: I7e4f0868b9240c85fef6f68aff93e19ec28214a5
Reviewed-by: Ismo Haataja <391161c82ffa2bbb3957f6ad8701582c491da8ea@digia.com>

lakiduo/QtAddin,lakiduo/QtAddin,lakiduo/QtAddin,lakiduo/QtAddin,lakiduo/QtAddin,lakiduo/QtAddin