fix searched attribute for 3D chart shape, tdf114169

Change-Id: Ic0642d4b223db121bdf5968af73811af8571bd72
Reviewed-on: https://gerrit.libreoffice.org/46614Tested-by: Jenkins <ci@libreoffice.org>
Reviewed-by: Markus Mohrhard <markus.mohrhard@googlemail.com>

oox/source/drawingml/chart/seriescontext.cxx

@@ -474,7 +474,7 @@ ContextHandlerRef BarSeriesContext::onCreateContext( sal_Int32 nElement, const A
                 case C_TOKEN( pictureOptions ):
                     return new PictureOptionsContext( *this, mrModel.mxPicOptions.create(bMSO2007Doc) );
                 case C_TOKEN( shape ):
-                    mrModel.monShape = rAttribs.getToken( bMSO2007Doc ? XML_val : XML_box );
+                    mrModel.monShape = rAttribs.getToken(XML_val);
                     return nullptr;
                 case C_TOKEN( trendline ):
                     return new TrendlineContext( *this, mrModel.maTrendlines.create(bMSO2007Doc) );