tdf#118820 untested speculative fix

Change-Id: I50a65d56251f978785fa446515cb374167c604e8
Reviewed-on: https://gerrit.libreoffice.org/60682
Tested-by: Jenkins
Tested-by: Xisco Faulí <xiscofauli@libreoffice.org>
Reviewed-by: Xisco Faulí <xiscofauli@libreoffice.org>

sw/source/filter/xml/xmlbrsh.cxx

@@ -135,10 +135,14 @@ void SwXMLBrushItemImportContext::EndElement()
         m_xGraphic = GetImport().loadGraphicFromBase64(m_xBase64Stream);
         m_xBase64Stream = nullptr;
     }
+
     if (m_xGraphic.is())
     {
         Graphic aGraphic(m_xGraphic);
+        SvxGraphicPosition eOldGraphicPos = pItem->GetGraphicPos();
         pItem->SetGraphic(aGraphic);
+        if (GPOS_NONE == eOldGraphicPos && GPOS_NONE != pItem->GetGraphicPos())
+            pItem->SetGraphicPos(GPOS_TILED);
     }
 
     if (!(pItem->GetGraphic()))