[LyX/master] Better debug message

[Jean-Marc Lasgouttes]

commit e63b891de56cfba8b2d8d3be597cd16c921c7859
Author: Jean-Marc Lasgouttes <lasgout...@lyx.org>
Date:   Wed Jan 24 14:05:57 2018 +0100

    Better debug message
---
 src/frontends/qt4/GuiApplication.cpp |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)

diff --git a/src/frontends/qt4/GuiApplication.cpp 
b/src/frontends/qt4/GuiApplication.cpp
index b2a67dc..67643d5 100644
--- a/src/frontends/qt4/GuiApplication.cpp
+++ b/src/frontends/qt4/GuiApplication.cpp
@@ -1350,7 +1350,7 @@ static docstring makeDispatchMessage(docstring const & 
msg,
                              || cmd.origin() == FuncRequest::COMMANDBUFFER);
 
        if (cmd.action() == LFUN_SELF_INSERT || !verbose) {
-               LYXERR(Debug::ACTION, "dispatch msg is " << msg);
+               LYXERR(Debug::ACTION, "dispatch msg is `" << msg << "'");
                return msg;
        }