don't rotate calc shapes if twoCellAnchor,  partial fix bnc#762542

Change-Id: I3ccf6d87db2e9c33f2adaf92e138018f2e27528b
diff --git a/sc/source/filter/oox/drawingfragment.cxx b/sc/source/filter/oox/drawingfragment.cxx
index f041287..9b7d07a 100644
--- a/sc/source/filter/oox/drawingfragment.cxx
+++ b/sc/source/filter/oox/drawingfragment.cxx
@@ -257,6 +257,10 @@ void DrawingFragment::onEndElement()
        case XDR_TOKEN( twoCellAnchor ):
            if( mxDrawPage.is() && mxShape.get() && mxAnchor.get() )
            {
                // Rotation is decided by orientation of shape determined
                // by the anchor position given by 'twoCellAnchor'
                if ( getCurrentElement() == XDR_TOKEN( twoCellAnchor ) )
                    mxShape->setRotation(0);
                EmuRectangle aShapeRectEmu = mxAnchor->calcAnchorRectEmu( getDrawPageSize() );
                if( (aShapeRectEmu.X >= 0) && (aShapeRectEmu.Y >= 0) && (aShapeRectEmu.Width >= 0) && (aShapeRectEmu.Height >= 0) )
                {