Fix the JIT bindings for ocaml.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@70454 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/ExecutionEngine/ExecutionEngineBindings.cpp b/lib/ExecutionEngine/ExecutionEngineBindings.cpp
index 0ef85dd..83397a5 100644
--- a/lib/ExecutionEngine/ExecutionEngineBindings.cpp
+++ b/lib/ExecutionEngine/ExecutionEngineBindings.cpp
@@ -114,11 +114,12 @@
 
 int LLVMCreateJITCompiler(LLVMExecutionEngineRef *OutJIT,
                           LLVMModuleProviderRef MP,
-                          CodeGenOpt::Level OptLevel,
+                          unsigned OptLevel,
                           char **OutError) {
   std::string Error;
-  if (ExecutionEngine *JIT = ExecutionEngine::createJIT(unwrap(MP), &Error, 0,
-                                                        OptLevel)) {
+  if (ExecutionEngine *JIT =
+      ExecutionEngine::createJIT(unwrap(MP), &Error, 0,
+                                 (CodeGenOpt::Level)OptLevel)) {
     *OutJIT = wrap(JIT);
     return 0;
   }