[BOLT] Add missing <memory> in InstrumentationRuntimeLibrary.h

[Amir]

Summary

<memory> is no longer included as a result of 5f290c090a24
("Move STLFunctionalExtras out of STLExtras").

[Amir]

Lint

[maksfb]

LGTM

bolt/include/bolt/RuntimeLibs/InstrumentationRuntimeLibrary.h

 //===- bolt/RuntimeLibs/InstrumentationRuntimeLibrary.h ---------*- C++ -*-===//
 //
 // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
 // See https://llvm.org/LICENSE.txt for license information.
 // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
 //
 //===----------------------------------------------------------------------===//
 //
 // This file contains the declaration of the InstrumentationRuntimeLibrary
 // class.
 //
 //===----------------------------------------------------------------------===//
 
 #ifndef BOLT_RUNTIMELIBS_INSTRUMENTATION_RUNTIME_LIBRARY_H
 #define BOLT_RUNTIMELIBS_INSTRUMENTATION_RUNTIME_LIBRARY_H
 
 #include "bolt/Passes/InstrumentationSummary.h"
 #include "bolt/RuntimeLibs/RuntimeLibrary.h"
+#include <memory>
 
 namespace llvm {
 namespace bolt {
 
 class InstrumentationRuntimeLibrary : public RuntimeLibrary {
 public:
   void setSummary(std::unique_ptr<InstrumentationSummary> &&S) {
     Summary.swap(S);