Tidy up memory barriers.

Change-Id: I937ea93e6df1835ecfe2d4bb7d84c24fe7fc097b
diff --git a/runtime/monitor.h b/runtime/monitor.h
index bfd8545..16e9410 100644
--- a/runtime/monitor.h
+++ b/runtime/monitor.h
@@ -105,7 +105,7 @@
   bool IsLocked() SHARED_LOCKS_REQUIRED(Locks::mutator_lock_);
 
   bool HasHashCode() const {
-    return hash_code_.load() != 0;
+    return hash_code_.Load() != 0;
   }
 
   static void InflateThinLocked(Thread* self, SirtRef<mirror::Object>& obj, LockWord lock_word,