sw: implement w:zoom in DOCX export
diff --git a/sw/source/filter/ww8/docxexport.cxx b/sw/source/filter/ww8/docxexport.cxx
index ab41592..ab67736 100644
--- a/sw/source/filter/ww8/docxexport.cxx
+++ b/sw/source/filter/ww8/docxexport.cxx
@@ -60,6 +60,8 @@
#include <docary.hxx>
#include <numrule.hxx>
#include <charfmt.hxx>
#include <viewsh.hxx>
#include <viewopt.hxx>

#include "ww8par.hxx"
#include "ww8scan.hxx"
@@ -665,7 +667,8 @@

void DocxExport::WriteSettings()
{
    if( !settings.hasData() && !m_pAttrOutput->HasFootnotes() && !m_pAttrOutput->HasEndnotes())
    ViewShell *pViewShell(pDoc->GetCurrentViewShell());
    if( !pViewShell && !settings.hasData() && !m_pAttrOutput->HasFootnotes() && !m_pAttrOutput->HasEndnotes())
        return;

    m_pFilter->addRelation( m_pDocumentFS->getOutputStream(),
@@ -680,6 +683,10 @@
            FSNS( XML_xmlns, XML_w ), "http://schemas.openxmlformats.org/wordprocessingml/2006/main",
            FSEND );

    // Zoom
    rtl::OString aZoom(rtl::OString::valueOf(pViewShell->GetViewOptions()->GetZoom()));
    pFS->singleElementNS(XML_w, XML_zoom, FSNS(XML_w, XML_percent), aZoom.getStr(), FSEND);

    if( settings.evenAndOddHeaders )
        pFS->singleElementNS( XML_w, XML_evenAndOddHeaders, FSEND );