tdf#119694: read embedded hsqldb file generated before 6.1

Regression from:
https://cgit.freedesktop.org/libreoffice/core/commit/?id=ebb34571c19c5ac939fbf5aed2ab66ee18e298dc
Thank you Drew Jensen for the bibisect!

Change-Id: I9550f61709e8582a52554f578ef043c6551f09f0
Reviewed-on: https://gerrit.libreoffice.org/60117Reviewed-by: Michael Stahl <Michael.Stahl@cib.de>
Tested-by: Michael Stahl <Michael.Stahl@cib.de>

dbaccess/source/filter/xml/xmlfilter.cxx

@@ -658,6 +658,7 @@ const SvXMLTokenMap& ODBFilter::GetDocContentElemTokenMap() const
             { XML_NAMESPACE_OOO,    XML_AUTOMATIC_STYLES,   XML_TOK_CONTENT_AUTOSTYLES  },
             { XML_NAMESPACE_OFFICE, XML_SCRIPTS,            XML_TOK_CONTENT_SCRIPTS     },
             { XML_NAMESPACE_OFFICE, XML_BODY,               XML_TOK_CONTENT_BODY        },
+            { XML_NAMESPACE_OOO,    XML_BODY,               XML_TOK_CONTENT_BODY        },
             XML_TOKEN_MAP_END
         };
         m_pDocContentElemTokenMap.reset(new SvXMLTokenMap( aElemTokenMap ));