doc: Fix namespace version number for QtQuickLayouts
doc: Fix namespace version number for QtQuickLayouts

Change-Id: Ieefbe5d7427a761b7c6008dd5dabc0d59f72bd72
Reviewed-by: Jerome Pasion <c10995d24f6b454503389e8d00d837aef038985d@digia.com>

richardmg/qtcomponents,drgvond/qtquickcontrols,richardmg/qtcomponents,drgvond/qtquickcontrols,richardmg/qtcomponents,kobolabs/qtquickcontrols,drgvond/qtquickcontrols,kobolabs/qtquickcontrols,mizukusak/qtquickcontrols,mizukusak/qtquickcontrols,kobolabs/qtquickcontrols,mizukusak/qtquickcontrols