[LyX/master] Amend 7e121117bb3203

[Juergen Spitzmueller]

commit 9bbcfebb95436ffc5924cd38b662c760940c4df9
Author: Juergen Spitzmueller <sp...@lyx.org>
Date:   Sun Aug 13 12:01:49 2017 +0200

    Amend 7e121117bb3203
---
 src/BufferParams.cpp |    3 +--
 1 files changed, 1 insertions(+), 2 deletions(-)

diff --git a/src/BufferParams.cpp b/src/BufferParams.cpp
index a92c4c5..444cb5c 100644
--- a/src/BufferParams.cpp
+++ b/src/BufferParams.cpp
@@ -2251,8 +2251,7 @@ bool BufferParams::writeLaTeX(otexstream & os, 
LaTeXFeatures & features,
        // called after babel, though.
        if (use_babel && !features.isRequired("jurabib")
            && !features.isRequired("hyperref")
-               && !features.isRequired("varioref")
-           && !features.isRequired("vietnamese")
+           && !features.isRequired("varioref")
            && !features.isRequired("japanese")) {
                os << features.getBabelPresettings();
                // FIXME UNICODE