[LyX/master] Do not redefine a stripped-down LyXRC object.

[Jean-Marc Lasgouttes]

commit c6754ed548deecdc37c5a019fb1e5a705dc44da5
Author: Jean-Marc Lasgouttes <lasgout...@lyx.org>
Date:   Thu Apr 18 11:53:36 2019 +0200

    Do not redefine a stripped-down LyXRC object.
    
    I am not sure why it was done this way, but it is not really necessary.
    Moreover gcc LTO does not like it.
---
 src/client/client.cpp      |    7 ++++---
 src/tex2lyx/dummy_impl.cpp |    4 +++-
 2 files changed, 7 insertions(+), 4 deletions(-)

diff --git a/src/client/client.cpp b/src/client/client.cpp
index 023e73e..ceea5d1 100644
--- a/src/client/client.cpp
+++ b/src/client/client.cpp
@@ -12,6 +12,8 @@
 
 #include <config.h>
 
+#include "LyXRC.h"
+
 #include "support/ConsoleApplication.h"
 #include "support/debug.h"
 #include "support/FileName.h"
@@ -70,9 +72,8 @@ namespace lyx {
 bool verbose = false;
 
 // Dummy LyXRC support
-struct LyXRC {
-       string icon_set;
-} lyxrc;
+LyXRC::LyXRC() {}
+LyXRC lyxrc;
 
 // Keep the linker happy on Windows
 void lyx_exit(int)
diff --git a/src/tex2lyx/dummy_impl.cpp b/src/tex2lyx/dummy_impl.cpp
index 79278f4..f38526f 100644
--- a/src/tex2lyx/dummy_impl.cpp
+++ b/src/tex2lyx/dummy_impl.cpp
@@ -20,6 +20,7 @@
 
 #include "Format.h"
 #include "LaTeXFeatures.h"
+#include "LyXRC.h"
 #include "output_xhtml.h"
 
 #include "support/Messages.h"
@@ -58,7 +59,8 @@ bool verbose = false;
 //
 
 
-class LyXRC {} lyxrc;
+LyXRC::LyXRC() {}
+LyXRC lyxrc;
 
 
 //