From 40d8cb1a1996289f6224b17176373ffa1dfacae5 Mon Sep 17 00:00:00 2001
From: Jeff Young <jeff@rokeby.ie>
Date: Fri, 3 Jul 2020 11:12:50 +0100
Subject: [PATCH] Fix missing reference found in code review.

---
 pcbnew/kicad_plugin.cpp | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/pcbnew/kicad_plugin.cpp b/pcbnew/kicad_plugin.cpp
index a1f65e071d..0c58a5f62a 100644
--- a/pcbnew/kicad_plugin.cpp
+++ b/pcbnew/kicad_plugin.cpp
@@ -1347,7 +1347,7 @@ void PCB_IO::format( D_PAD* aPad, int aNestLevel ) const
         int nested_level = aNestLevel+2;
 
         // Output all basic shapes
-        for( const std::shared_ptr<DRAWSEGMENT> primitive : aPad->GetPrimitives() )
+        for( const std::shared_ptr<DRAWSEGMENT>& primitive : aPad->GetPrimitives() )
         {
             m_out->Print( 0, "\n");