[LyX/master] Avoid a copy

[Jean-Marc Lasgouttes]

commit b1bbf64a28331c6b5eb3f5fb987d2e88d30167bc
Author: Jean-Marc Lasgouttes <lasgouttes at lyx.org>
Date:   Thu Sep 12 18:05:50 2024 +0200

    Avoid a copy
    
    Spotted by Coverity scan.
---
 src/Buffer.cpp | 3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)

diff --git a/src/Buffer.cpp b/src/Buffer.cpp
index f473f3dc6f..73f627646b 100644
--- a/src/Buffer.cpp
+++ b/src/Buffer.cpp
@@ -590,9 +590,8 @@ Buffer * Buffer::cloneWithChildren() const
 {
 	BufferMap bufmap;
 	cloned_buffers.emplace_back(new CloneList);
-	CloneList_ptr clones = cloned_buffers.back();
 
-	cloneWithChildren(bufmap, clones);
+	cloneWithChildren(bufmap, cloned_buffers.back());
 
 	// make sure we got cloned
 	BufferMap::const_iterator bit = bufmap.find(this);