Use indexed getToken()

Change-Id: I136a1cdb4a1522d78120f12e5f9ea5ced653c1b6
Reviewed-on: https://gerrit.libreoffice.org/67334
Tested-by: Jenkins
Reviewed-by: Matteo Casalin <matteo.casalin@yahoo.com>

sw/source/core/fields/authfld.cxx

@@ -103,9 +103,10 @@ void SwAuthorityFieldType::RemoveField(const SwAuthEntry* nHandle)
 SwAuthEntry* SwAuthorityFieldType::AddField(const OUString& rFieldContents)
 {
     rtl::Reference<SwAuthEntry> pEntry(new SwAuthEntry);
+    sal_Int32 nIdx{ 0 };
     for( sal_Int32 i = 0; i < AUTH_FIELD_END; ++i )
         pEntry->SetAuthorField( static_cast<ToxAuthorityField>(i),
-                        rFieldContents.getToken( i, TOX_STYLE_DELIMITER ));
+                        rFieldContents.getToken( 0, TOX_STYLE_DELIMITER, nIdx ));
 
     for (auto &rpTemp : m_DataArr)
     {