Add fix for OS X

Author: aaronj0

unittests/CppInterOp/Utils.h

@@ -5,7 +5,14 @@
 
 #include <memory>
 #include <vector>
-#include <valgrind/valgrind.h>
+
+#ifndef __APPLE__
+  #include <valgrind/valgrind.h>
+#endif //__APPLE__
+
+#ifdef __APPLE__
+  #define RUNNING_ON_VALGRIND 0
+#endif //__APPLE__
 
 using namespace clang;
 using namespace llvm;