fdo43033 do not export to PDF hidden slides

sd/source/ui/unoidl/unomodel.cxx

@@ -1824,6 +1824,8 @@ void SAL_CALL SdXImpressDocument::render( sal_Int32 nRenderer, const uno::Any& r
             {
                 vcl::PDFExtOutDevData* pPDFExtOutDevData = PTR_CAST( vcl::PDFExtOutDevData, pOut->GetExtOutDevData() );
 
+                if ( !( (mpDoc->GetSdPage((sal_Int16) nPageNumber-1, PK_STANDARD))->IsExcluded() ) )
+                {
                     ::sd::ClientView* pView = new ::sd::ClientView( mpDocShell, pOut, NULL );
                     Rectangle               aVisArea = Rectangle( Point(), mpDoc->GetSdPage( (sal_uInt16)nPageNumber - 1, ePageKind )->GetSize() );
                     Region                  aRegion( aVisArea );
@@ -2142,6 +2144,7 @@ void SAL_CALL SdXImpressDocument::render( sal_Int32 nRenderer, const uno::Any& r
                 }
             }
         }
+    }
 }
 
 uno::Reference< i18n::XForbiddenCharacters > SdXImpressDocument::getForbiddenCharsTable()