From db9c9475d4044c5b338b3899b73dc54e237878c4 Mon Sep 17 00:00:00 2001
From: paboyle <paboyle@ph.ed.ac.uk>
Date: Thu, 25 Jan 2018 23:36:06 +0000
Subject: [PATCH] const

---
 lib/simd/Grid_vector_types.h | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/lib/simd/Grid_vector_types.h b/lib/simd/Grid_vector_types.h
index 979156ae..520f3b5f 100644
--- a/lib/simd/Grid_vector_types.h
+++ b/lib/simd/Grid_vector_types.h
@@ -158,7 +158,7 @@ public:
   /////////////////////////////
   // Constructors
   /////////////////////////////
-  accelerator_inline Grid_simd &  operator=(Zero &z) {
+  accelerator_inline Grid_simd &  operator=(const Zero &z) {
     vzero(*this);
     return (*this);
   }