mgr/Mgr: add missing include

Signed-off-by: Max Kellermann <max.kellermann@ionos.com>

diff --git a/src/mgr/Mgr.cc b/src/mgr/Mgr.cc
index 1a11046ee0861b7d54c239bdedbf5f39b643181e..26f93563517a92e3872ae397f4d42d41a2753680 100644 (file)
--- a/src/mgr/Mgr.cc
+++ b/src/mgr/Mgr.cc
@@ -38,6 +38,8 @@
 #include "PyModule.h"
 #include "Mgr.h"
 
+#include <sstream>
+
 #define dout_context g_ceph_context
 #define dout_subsys ceph_subsys_mgr
 #undef dout_prefix