Use indexed getToken()

Change-Id: I8ab1c2956739c9b63de807176ca0e3a640d3961f
Reviewed-on: https://gerrit.libreoffice.org/67325
Tested-by: Jenkins
Reviewed-by: Matteo Casalin <matteo.casalin@yahoo.com>
diff --git a/sw/source/ui/envelp/envlop1.cxx b/sw/source/ui/envelp/envlop1.cxx
index 2c765de..3c1c951 100644
--- a/sw/source/ui/envelp/envlop1.cxx
+++ b/sw/source/ui/envelp/envlop1.cxx
@@ -285,8 +285,9 @@ void SwEnvPage::InitDatabaseBox()
        for (sal_Int32 i = 0; i < aDataNames.getLength(); ++i)
            m_xDatabaseLB->append_text(pDataNames[i]);

        OUString sDBName = m_sActDBName.getToken( 0, DB_DELIM );
        OUString sTableName = m_sActDBName.getToken( 1, DB_DELIM );
        sal_Int32 nIdx{ 0 };
        OUString sDBName = m_sActDBName.getToken( 0, DB_DELIM, nIdx );
        OUString sTableName = m_sActDBName.getToken( 0, DB_DELIM, nIdx );
        m_xDatabaseLB->set_active_text(sDBName);
        if (m_pSh->GetDBManager()->GetTableNames(*m_xTableLB, sDBName))
        {