Stop saying "clazz".

Change-Id: I569a3d29f6a394ee40e6dbdb8f76ae9a60348b65
diff --git a/src/object.cc b/src/object.cc
index 979c79a..13e4732 100644
--- a/src/object.cc
+++ b/src/object.cc
@@ -830,7 +830,7 @@
   return false;
 }
 
-// Determine whether "this" is assignable from "klazz", where both of these
+// Determine whether "this" is assignable from "src", where both of these
 // are array classes.
 //
 // Consider an array class, e.g. Y[][], where Y is a subclass of X.