Initialize ClassLinker from image

Change-Id: Ibaf47b4181f7c6603a8b37e2eba8fa6509c927ed
diff --git a/src/casts.h b/src/casts.h
index a5e31c4..461df21 100644
--- a/src/casts.h
+++ b/src/casts.h
@@ -59,7 +59,7 @@
     implicit_cast<From*, To>(0);
   }
 
-  // 
+  //
   // assert(f == NULL || dynamic_cast<To>(f) != NULL);  // RTTI: debug mode only!
   return static_cast<To>(f);
 }