-Werror,-Wreturn-std-move

("local variable 'aFont' will be copied despite being returned by name"; emitted
by Clang trunk)

Change-Id: I4c876ec5b92b55ae5d1cc72a0e993d96d88c8071
Reviewed-on: https://gerrit.libreoffice.org/52812Tested-by: Jenkins <ci@libreoffice.org>
Reviewed-by: Stephan Bergmann <sbergman@redhat.com>

editeng/source/editeng/editeng.cxx

@@ -18,6 +18,8 @@
  */
 
 #include <memory>
+#include <utility>
+
 #include <comphelper/lok.hxx>
 #include <vcl/wrkwin.hxx>
 #include <vcl/dialog.hxx>
@@ -2648,7 +2650,7 @@ vcl::Font EditEngine::CreateFontFromItemSet( const SfxItemSet& rItemSet, SvtScri
 {
     SvxFont aFont;
     CreateFont( aFont, rItemSet, true, nScriptType );
-    return aFont;
+    return std::move(aFont);
 }
 
 SvxFont EditEngine::CreateSvxFontFromItemSet( const SfxItemSet& rItemSet )