From d7299896f058198edc692a0541cd3c3f0aef4eef Mon Sep 17 00:00:00 2001
From: Hans Dembinski <hans.dembinski@gmail.com>
Date: Tue, 7 Nov 2017 22:26:36 +0100
Subject: [PATCH] avoid warning

---
 include/boost/histogram/serialization.hpp | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/include/boost/histogram/serialization.hpp b/include/boost/histogram/serialization.hpp
index 78206677..1ef06e01 100644
--- a/include/boost/histogram/serialization.hpp
+++ b/include/boost/histogram/serialization.hpp
@@ -86,7 +86,7 @@ void adaptive_storage::serialize(Archive &ar, unsigned /* version */) {
     }
   } else {
     unsigned tid = 0;
-    if (array<void> *a = get<array<void>>(&buffer_)) {
+    if (get<array<void>>(&buffer_)) {
       tid = 0;
       ar &tid;
     } else if (array<uint8_t> *a = get<array<uint8_t>>(&buffer_)) {