Use std::make_shared to create RTFDocumentImpl

Change-Id: I5a4fc60b30829cf8d9e8e7f142331dbb0007ac9b

writerfilter/source/rtftok/rtfdocumentfactory.cxx

@@ -20,7 +20,7 @@ RTFDocument::Pointer_t RTFDocumentFactory::createDocument(css::uno::Reference< c
         css::uno::Reference< css::frame::XFrame > const& xFrame,
         css::uno::Reference< css::task::XStatusIndicator > const& xStatusIndicator)
 {
-    return RTFDocument::Pointer_t(new RTFDocumentImpl(xContext, xInputStream, xDstDoc, xFrame, xStatusIndicator));
+    return std::make_shared<RTFDocumentImpl>(xContext, xInputStream, xDstDoc, xFrame, xStatusIndicator);
 }
 
 } // namespace rtftok

writerfilter/source/rtftok/rtfdocumentimpl.cxx

@@ -341,7 +341,7 @@ void RTFDocumentImpl::resolveSubstream(sal_Size nPos, Id nId, OUString& rIgnoreF
 {
     sal_Size nCurrent = Strm().Tell();
     // Seek to header position, parse, then seek back.
-    RTFDocumentImpl::Pointer_t pImpl(new RTFDocumentImpl(m_xContext, m_xInputStream, m_xDstDoc, m_xFrame, m_xStatusIndicator));
+    auto pImpl = std::make_shared<RTFDocumentImpl>(m_xContext, m_xInputStream, m_xDstDoc, m_xFrame, m_xStatusIndicator);
     pImpl->setSuperstream(this);
     pImpl->setStreamType(nId);
     pImpl->setIgnoreFirst(rIgnoreFirst);