[LyX/master] C++11 compilation fix

[Jean-Marc Lasgouttes]

commit f3f478c2fbcf89302ccadeb30aac413a40039d12
Author: Jean-Marc Lasgouttes <lasgouttes at lyx.org>
Date:   Tue Dec 6 17:12:45 2022 +0100

    C++11 compilation fix
---
 src/frontends/qt/GuiRef.cpp |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)

diff --git a/src/frontends/qt/GuiRef.cpp b/src/frontends/qt/GuiRef.cpp
index a07b735..9b91443 100644
--- a/src/frontends/qt/GuiRef.cpp
+++ b/src/frontends/qt/GuiRef.cpp
@@ -458,7 +458,7 @@ void GuiRef::redoRefs()
 	for (iter = refs_.begin(); iter != refs_.end(); ++iter) {
 		// first: plain label name, second: gui name
 		QString const lab = toqstr((*iter).first);
-		refsNames.append(QPair(lab, toqstr((*iter).second)));
+		refsNames.append({lab, toqstr((*iter).second)});
 		if (groupCB->isChecked()) {
 			if (lab.contains(":")) {
 				QString const pref = lab.split(':')[0];