The classes Rectangle, Size and SizeRange are referenced with \struct in the doxygen comments in geometry.cpp. Correct the reference to \class to better reflect their definition. Signed-off-by: Daniel Scally <dan.scally@ideasonboard.com> Reviewed-by: Jacopo Mondi <jacopo.mondi@ideasonboard.com> Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com> Signed-off-by: Kieran Bingham <kieran.bingham@ideasonboard.com>