coverity#705866 Dereference before null check

Change-Id: I3f70fda1098c2da97f36e474689853379e5b9ac2

sd/source/ui/presenter/PresenterHelper.cxx

@@ -132,8 +132,6 @@ Reference<awt::XWindow> SAL_CALL PresenterHelper::createWindow (
             pParentWindow->EnableChildTransparentMode(true);
     }
 
-    if (pWindow != NULL)
-    {
     pWindow->Show(bInitiallyVisible);
 
     pWindow->SetMapMode(MAP_PIXEL);
@@ -149,8 +147,6 @@ Reference<awt::XWindow> SAL_CALL PresenterHelper::createWindow (
         pWindow->SetPaintTransparent(false);
     }
 
-    }
-
     return xWindow;
 }