common/Thread: include cleanup

This header uses `std::string`, but not `std::system_error`.

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

diff --git a/src/common/Thread.h b/src/common/Thread.h
index d3892c1b36b71ec0fbaa04729c47832c2e678a23..4bb871a2712345ea41798300a684e56b6a6fe1d5 100644 (file)
--- a/src/common/Thread.h
+++ b/src/common/Thread.h
@@ -17,8 +17,8 @@
 #define CEPH_THREAD_H
 
 #include <functional>
+#include <string>
 #include <string_view>
-#include <system_error>
 #include <thread>
 #include <cstring>