[MCJIT] Unique-ptrify the RTDyldMemoryManager member of MCJIT. NFC.

llvm-svn: 223183
diff --git a/llvm/lib/ExecutionEngine/ExecutionEngineBindings.cpp b/llvm/lib/ExecutionEngine/ExecutionEngineBindings.cpp
index 58271df..7fc72ae 100644
--- a/llvm/lib/ExecutionEngine/ExecutionEngineBindings.cpp
+++ b/llvm/lib/ExecutionEngine/ExecutionEngineBindings.cpp
@@ -188,7 +188,8 @@
          .setCodeModel(unwrap(options.CodeModel))
          .setTargetOptions(targetOptions);
   if (options.MCJMM)
-    builder.setMCJITMemoryManager(unwrap(options.MCJMM));
+    builder.setMCJITMemoryManager(
+      std::unique_ptr<RTDyldMemoryManager>(unwrap(options.MCJMM)));
   if (ExecutionEngine *JIT = builder.create()) {
     *OutJIT = wrap(JIT);
     return 0;