[Bf-blender-cvs] [90959c23728] master: Cleanup: quiet warning

[Jacques Lucke]

Commit: 90959c23728fe569d16ce0a962e841e5accd9e51
Author: Jacques Lucke
Date:   Sat Mar 20 15:54:52 2021 +0100
Branches: master
https://developer.blender.org/rB90959c23728fe569d16ce0a962e841e5accd9e51

Cleanup: quiet warning

===================================================================

M	source/blender/nodes/intern/derived_node_tree.cc

===================================================================

diff --git a/source/blender/nodes/intern/derived_node_tree.cc b/source/blender/nodes/intern/derived_node_tree.cc
index b325c0586f9..e4f8a0c5fda 100644
--- a/source/blender/nodes/intern/derived_node_tree.cc
+++ b/source/blender/nodes/intern/derived_node_tree.cc
@@ -336,7 +336,7 @@ std::string DerivedNodeTree::to_dot() const
   /* Floating inputs are used for example to visualize unlinked group node inputs. */
   Map<DSocket, dot::Node *> dot_floating_inputs;
 
-  for (const auto &item : dot_input_sockets.items()) {
+  for (const auto item : dot_input_sockets.items()) {
     DInputSocket to_socket = item.key;
     dot::NodePort dot_to_port = item.value;
     to_socket.foreach_origin_socket([&](DSocket from_socket) {