loplugin:defaultparams: Default method parameter

Change-Id: I79f9eefecc6389bbf288d2be6b13129cd8f467ef
Reviewed-on: https://gerrit.libreoffice.org/28663Tested-by: Jenkins <ci@libreoffice.org>
Reviewed-by: Giuseppe Castagno <giuseppe.castagno@acca-esse.eu>

sw/source/filter/html/htmlatr.cxx

@@ -304,7 +304,7 @@ SwHTMLFormatInfo::SwHTMLFormatInfo( const SwFormat *pF, SwDoc *pDoc, SwDoc *pTem
         pItemSet->Set( pFormat->GetAttrSet() );
 
         if( pReferenceFormat )
-            SwHTMLWriter::SubtractItemSet( *pItemSet, pReferenceFormat->GetAttrSet(), true, true );
+            SwHTMLWriter::SubtractItemSet( *pItemSet, pReferenceFormat->GetAttrSet(), true );
 
         // delete ItemSet that is empty straight away. This will save work
         // later on