From 687f0c7dc0324192d71f2165552e81a9d4346b4a Mon Sep 17 00:00:00 2001
From: Peter Johnson <johnson.peter@gmail.com>
Date: Tue, 22 Nov 2016 22:30:58 -0800
Subject: [PATCH] Use const parameters in std::sort lambda. (#364)

This is more correct, and non-const fails on gcc 4.8.
---
 hal/lib/athena/SerialHelper.cpp | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/hal/lib/athena/SerialHelper.cpp b/hal/lib/athena/SerialHelper.cpp
index 79c6a8c16d..5361d80d52 100644
--- a/hal/lib/athena/SerialHelper.cpp
+++ b/hal/lib/athena/SerialHelper.cpp
@@ -110,8 +110,8 @@ void SerialHelper::SortHubPathVector() {
   m_sortedHubPath.clear();
   m_sortedHubPath = m_unsortedHubPath;
   std::sort(m_sortedHubPath.begin(), m_sortedHubPath.end(),
-            [](llvm::SmallVectorImpl<char>& lhs,
-               llvm::SmallVectorImpl<char>& rhs) -> int {
+            [](const llvm::SmallVectorImpl<char>& lhs,
+               const llvm::SmallVectorImpl<char>& rhs) -> int {
               llvm::StringRef lhsRef(lhs.begin(), lhs.size());
               llvm::StringRef rhsRef(rhs.begin(), rhs.size());
               return lhsRef.compare(rhsRef);