sw tiled rendering: It is important not to center from the very beginning.

Otherwise the value is used for some time, and causes misrenderings.

Change-Id: I55f003d5ca353c526f4ad17519795cf6f645d674

sw/source/core/layout/pagechg.cxx

@@ -17,6 +17,7 @@
  *   the License at http://www.apache.org/licenses/LICENSE-2.0 .
  */
 
+#include <comphelper/lok.hxx>
 #include <ndole.hxx>
 #include <svl/itemiter.hxx>
 #include <fmtfsize.hxx>
@@ -2038,7 +2039,7 @@ void SwRootFrm::CheckViewLayout( const SwViewOption* pViewOpt, const SwRect* pVi
 
             // center page if possible
             long nSizeDiff = 0;
-            if (nVisWidth > nCurrentRowWidth && !(GetCurrShell() && GetCurrShell()->isTiledRendering()))
+            if (nVisWidth > nCurrentRowWidth && !comphelper::LibreOfficeKit::isActive())
                 nSizeDiff = ( nVisWidth - nCurrentRowWidth ) / 2;
 
             // adjust positions of pages in current row