Try to fix NetBSD buildbot breakage introduced in D57463.

By including the header file in the source.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@355202 91177308-0d34-0410-b5e6-96231b3b80d8

diff --git a/lib/Transforms/Instrumentation/InstrOrderFile.cpp b/lib/Transforms/Instrumentation/InstrOrderFile.cpp
index a23b9ef4a3d785bd8751b82931e1204ca12329c1..a2c1ddfd279eac16f3ac23b993b2f096c3c2365a 100644 (file)
--- a/lib/Transforms/Instrumentation/InstrOrderFile.cpp
+++ b/lib/Transforms/Instrumentation/InstrOrderFile.cpp
@@ -31,6 +31,7 @@
 #include "llvm/Transforms/Instrumentation/InstrOrderFile.h"
 #include <fstream>
 #include <map>
+#include <mutex>
 #include <set>
 #include <sstream>