From: Kefu Chai <kchai@redhat.com>
Date: Fri, 6 Aug 2021 16:36:39 +0000 (+0800)
Subject: msg/async/compression_onwire: include used header
X-Git-Tag: v17.1.0~1175^2~3
X-Git-Url: http://git.apps.os.sepia.ceph.com/?a=commitdiff_plain;h=0af4ba4109048b57151a99eb0067c0a421e876c1;p=ceph.git

msg/async/compression_onwire: include used header

this fixes the FTBFS with Clang + libc++.

Signed-off-by: Kefu Chai <kchai@redhat.com>
---

diff --git a/src/msg/async/compression_onwire.h b/src/msg/async/compression_onwire.h
index e90274a6c5c4a..dcd6d26c4ca30 100644
--- a/src/msg/async/compression_onwire.h
+++ b/src/msg/async/compression_onwire.h
@@ -4,6 +4,8 @@
 #ifndef CEPH_COMPRESSION_ONWIRE_H
 #define CEPH_COMPRESSION_ONWIRE_H
 
+#include <optional>
+
 #include "compressor/Compressor.h"
 #include "include/buffer.h"