Starting to untangle header spaghetti.

Change-Id: I31f38d05dc8b55c659e8c7e9c0a87b94b9ac1db5
diff --git a/libs/rs/rsObjectBase.h b/libs/rs/rsObjectBase.h
index d9f5f3b..586da19 100644
--- a/libs/rs/rsObjectBase.h
+++ b/libs/rs/rsObjectBase.h
@@ -18,6 +18,7 @@
 #define ANDROID_RS_OBJECT_BASE_H
 
 #include "rsUtils.h"
+#include "rsDefines.h"
 
 #define RS_OBJECT_DEBUG 0