[LyX/master] Handle null pointer

[Juergen Spitzmueller]

commit 057d83d8ae782c9cae06a108707b82cc77315cde
Author: Juergen Spitzmueller <sp...@lyx.org>
Date:   Wed Dec 26 14:38:02 2018 +0100

    Handle null pointer
---
 src/Font.cpp |    7 +++++--
 1 files changed, 5 insertions(+), 2 deletions(-)

diff --git a/src/Font.cpp b/src/Font.cpp
index 549f4b8..ea31f40 100644
--- a/src/Font.cpp
+++ b/src/Font.cpp
@@ -191,9 +191,12 @@ docstring const Font::stateText(BufferParams * params) 
const
 {
        odocstringstream os;
        os << lyx::stateText(bits_);
-       if (!params || (language() != params->language))
+       if (!params || (language() != params->language)) {
+               // reset_language is a null pointer!
                os << bformat(_("Language: %1$s, "),
-                             _(language()->display()));
+                             (language() == reset_language) ? _("Default")
+                                                            : 
_(language()->display()));
+       }
        if (bits_.number() != FONT_OFF)
                os << "  " << bformat(_("Number %1$s"),
                              _(GUIMiscNames[bits_.number()]));