doc: Minor changes to qtx11extras.qdocconf
doc: Minor changes to qtx11extras.qdocconf

Change-Id: I0f8e6b3c4dc6a7ab00f69a0ce38e74d14b46c41a
Reviewed-by: Laszlo Papp <2164cc32668ec579454611fc5261234262c80421@kde.org>
Reviewed-by: Jerome Pasion <c10995d24f6b454503389e8d00d837aef038985d@digia.com>

kobolabs/qtx11extras,kobolabs/qtx11extras