[LyX/master] Increase lyxrc format

[Juergen Spitzmueller]

commit 39bff52797790608d27254785ee7263021b8145d
Author: Juergen Spitzmueller <spitz at lyx.org>
Date:   Fri Dec 27 11:06:11 2019 +0100

    Increase lyxrc format
---
 src/LyXRC.cpp |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)

diff --git a/src/LyXRC.cpp b/src/LyXRC.cpp
index 5bf59e8..7b7b262 100644
--- a/src/LyXRC.cpp
+++ b/src/LyXRC.cpp
@@ -61,7 +61,7 @@ namespace {
 
 // The format should also be updated in configure.py, and conversion code
 // should be added to prefs2prefs_prefs.py.
-static unsigned int const LYXRC_FILEFORMAT = 30; // lasgouttes: add \respect_os_kbd_language
+static unsigned int const LYXRC_FILEFORMAT = 31; // lasgouttes: add \ct_additions_underlined
 // when adding something to this array keep it sorted!
 LexerKeyword lyxrcTags[] = {
 	{ "\\accept_compound", LyXRC::RC_ACCEPT_COMPOUND },