... fix more -Werror=address (wrong TempFile ctor called)

Change-Id: I19b2195a5e524f8c485f904989f1c604fca9612f

filter/source/xsltdialog/xmlfiltertestdialog.cxx

@@ -429,9 +429,8 @@ void XMLFilterTestDialog::doExport( Reference< XComponent > xComp )
         Reference< XStorable > xStorable( xComp, UNO_QUERY );
         if( xStorable.is() )
         {
-            String leadingChars;
             OUString const ext(RTL_CONSTASCII_USTRINGPARAM(".xml"));
-            utl::TempFile aTempFile(leadingChars, &ext);
+            utl::TempFile aTempFile(OUString(), &ext);
             OUString aTempFileURL( aTempFile.GetURL() );
 
             const application_info_impl* pAppInfo = getApplicationInfo( m_pFilterInfo->maExportService );
@@ -593,9 +592,8 @@ void XMLFilterTestDialog::import( const OUString& rURL )
 
         if( m_pCBXDisplaySource->IsChecked() )
         {
-            String lead;
             OUString const ext(RTL_CONSTASCII_USTRINGPARAM(".xml"));
-            TempFile aTempFile(lead, &ext);
+            TempFile aTempFile(OUString(), &ext);
             OUString aTempFileURL( aTempFile.GetURL() );
 
             Reference< XImportFilter > xImporter( mxContext->getServiceManager()->createInstanceWithContext( "com.sun.star.documentconversion.XSLTFilter", mxContext ), UNO_QUERY );

sfx2/source/doc/docfile.cxx

@@ -3642,7 +3642,7 @@ OUString SfxMedium::SwitchDocumentToTempFile()
         OUString const aExt = (nPrefixLen == -1)
                                 ? OUString()
                                 : aOrigURL.copy(nPrefixLen);
-        OUString aNewURL = ::utl::TempFile( String(), &aExt ).GetURL();
+        OUString aNewURL = ::utl::TempFile( OUString(), &aExt ).GetURL();
 
         // TODO/LATER: In future the aLogicName should be set to shared folder URL
         //             and a temporary file should be created. Transport_Impl should be impossible then.

sw/source/ui/dbui/addresslistdialog.cxx

@@ -396,7 +396,7 @@ IMPL_LINK(SwAddressListDialog, CreateHdl_Impl, PushButton*, pButton)
 
             uno::Reference<sdb::XDocumentDataSource> xDS(xNewInstance, UNO_QUERY_THROW);
             uno::Reference<frame::XStorable> xStore(xDS->getDatabaseDocument(), UNO_QUERY_THROW);
-            String sExt = OUString(".odb");
+            OUString const sExt(".odb");
             String sTmpName;
             {
                 OUString sHomePath(SvtPathOptions().GetWorkPath());

sw/source/ui/dbui/mmlayoutpage.cxx

@@ -110,9 +110,9 @@ SwMailMergeLayoutPage::SwMailMergeLayoutPage( SwMailMergeWizard* _pParent) :
     {
         //temp file needs it's own block
         //creating with extension is not supported by a static method :-(
-        String sLeading;
-        String sExt(comphelper::string::stripStart(pSfxFlt->GetDefaultExtension(), '*'));
-        utl::TempFile aTempFile( sLeading, &sExt );
+        OUString const sExt(
+            comphelper::string::stripStart(pSfxFlt->GetDefaultExtension(),'*'));
+        utl::TempFile aTempFile( OUString(), &sExt );
         m_sExampleURL = aTempFile.GetURL();
         aTempFile.EnableKillingFile();
     }