Work on heap and space initialization to support image loading

Change-Id: Icab25efa4dee17e4b6c6e97e38f63f5ab8a8a005
diff --git a/src/image_writer.h b/src/image_writer.h
index 0af45c6..003c4e9 100644
--- a/src/image_writer.h
+++ b/src/image_writer.h
@@ -1,7 +1,7 @@
 // Copyright 2011 Google Inc. All Rights Reserved.
 
-#ifndef ART_SRC_IMAGE_H_
-#define ART_SRC_IMAGE_H_
+#ifndef ART_SRC_IMAGE_WRITER_H_
+#define ART_SRC_IMAGE_WRITER_H_
 
 #include <cstddef>
 #include <stdint.h>
@@ -66,4 +66,4 @@
 
 }  // namespace art
 
-#endif  // ART_SRC_IMAGE_H_
+#endif  // ART_SRC_IMAGE_WRITER_H_