boost->std

Change-Id: I61dac3065a4e80c89e9e136ad1e8e15bc88a8a45
Reviewed-on: https://gerrit.libreoffice.org/18885Tested-by: Jenkins <ci@libreoffice.org>
Reviewed-by: Caolán McNamara <caolanm@redhat.com>
Tested-by: Caolán McNamara <caolanm@redhat.com>

sd/source/ui/inc/DocumentRenderer.hxx

@@ -63,7 +63,7 @@ public:
 
 private:
     class Implementation;
-    ::boost::scoped_ptr<Implementation> mpImpl;
+    std::unique_ptr<Implementation> mpImpl;
 };
 
 } // end of namespace sd