test/os: Add missing include to Fragmentation_simulator.cc

Signed-off-by: Adam Emerson <aemerson@redhat.com>

diff --git a/src/test/objectstore/Fragmentation_simulator.cc b/src/test/objectstore/Fragmentation_simulator.cc
index 8e99dc7036d20f405dcaccf293e9bfd0581cb6ca..02a2991cd0ce66f787663a97409cbf4d1f4496d2 100644 (file)
--- a/src/test/objectstore/Fragmentation_simulator.cc
+++ b/src/test/objectstore/Fragmentation_simulator.cc
@@ -17,6 +17,7 @@
 #include "include/buffer_fwd.h"
 #include "os/ObjectStore.h"
 #include "test/objectstore/ObjectStoreImitator.h"
+#include <fstream>
 #include <boost/random/uniform_int.hpp>
 #include <fmt/core.h>
 #include <mutex>