Subzero: Change llvm::OwningPtr to C++11's std::unique_ptr.

src/IceRNG.h

 //===- subzero/src/IceRNG.h - Random number generator -----------*- C++ -*-===//
 //
 //                        The Subzero Code Generator
 //
 // This file is distributed under the University of Illinois Open Source
 // License. See LICENSE.TXT for details.
 //
 //===----------------------------------------------------------------------===//
 //
 // This file declares a random number generator.
 //
 //===----------------------------------------------------------------------===//
 
 #ifndef SUBZERO_SRC_ICERNG_H
 #define SUBZERO_SRC_ICERNG_H
 
-#include <stdint.h>
+#include <cstdint>
+
 #include "llvm/ADT/StringRef.h"
 #include "llvm/Support/Compiler.h"
 
 namespace Ice {
 
 class RandomNumberGenerator {
 public:
   RandomNumberGenerator(llvm::StringRef Salt);
   uint64_t next(uint64_t Max);
 
@@ skipping 19 matching lines @@
       LLVM_DELETED_FUNCTION;
   RandomNumberGeneratorWrapper &
   operator=(const RandomNumberGeneratorWrapper &) LLVM_DELETED_FUNCTION;
 
   RandomNumberGenerator &RNG;
 };
 
 } // end of namespace Ice
 
 #endif // SUBZERO_SRC_ICERNG_H