[LyX/master] Use Buffer::validate() when previewing single paragraph

[Juergen Spitzmueller]

commit 0c296cd26f06704e42873c60d4e97335eef2d24e
Author: Juergen Spitzmueller <sp...@lyx.org>
Date:   Mon Oct 31 18:46:06 2016 +0100

    Use Buffer::validate() when previewing single paragraph
    
    We used to use BufferParams::validate(), which does not validate the
    paragraphs.
---
 src/Buffer.cpp |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)

diff --git a/src/Buffer.cpp b/src/Buffer.cpp
index f2dbb88..8efa53b 100644
--- a/src/Buffer.cpp
+++ b/src/Buffer.cpp
@@ -3753,7 +3753,7 @@ unique_ptr<TexRow> Buffer::getSourceCode(odocstream & os, 
string const & format,
                        // in order to know if we should output polyglossia
                        // macros (instead of babel macros)
                        LaTeXFeatures features(*this, params(), runparams);
-                       params().validate(features);
+                       validate(features);
                        runparams.use_polyglossia = features.usePolyglossia();
                        // latex or literate
                        otexstream ots(os);