cid#1474258 Uninitialized pointer field

Change-Id: Ic28d5cc86d77320a8e18dbc6cc2275687c26a1d6
Reviewed-on: https://gerrit.libreoffice.org/c/core/+/112778
Tested-by: Caolán McNamara <caolanm@redhat.com>
Reviewed-by: Caolán McNamara <caolanm@redhat.com>
diff --git a/sd/source/ui/unoidl/DrawController.cxx b/sd/source/ui/unoidl/DrawController.cxx
index 4f61f2c..66ed808 100644
--- a/sd/source/ui/unoidl/DrawController.cxx
+++ b/sd/source/ui/unoidl/DrawController.cxx
@@ -62,6 +62,7 @@ DrawController::DrawController (ViewShellBase& rBase) throw()
    : DrawControllerInterfaceBase(&rBase),
      BroadcastHelperOwner(SfxBaseController::m_aMutex),
      OPropertySetHelper(BroadcastHelperOwner::maBroadcastHelper),
      mpCurrentLayer(nullptr),
      m_aSelectionTypeIdentifier(
        cppu::UnoType<view::XSelectionChangeListener>::get()),
      mpBase(&rBase),