Clean up instanceof codegen in compiler.

Change-Id: I0179a0746bc5aaef02129169b6a6b1bbbe30dc7e
diff --git a/src/thread.h b/src/thread.h
index 3a8abba..e9491dd 100644
--- a/src/thread.h
+++ b/src/thread.h
@@ -212,7 +212,7 @@
   Object* (*pGetObjStatic)(uint32_t, const Method*);
   void (*pSetObjStatic)(uint32_t, const Method*, Object*);
   void (*pCanPutArrayElementFromCode)(void*, void*);
-  uint32_t (*pInstanceofNonTrivialFromCode) (const Object*, const Class*);
+  uint32_t (*pInstanceofNonTrivialFromCode) (const Class*, const Class*);
   void (*pCheckCastFromCode) (void*, void*);
   Method* (*pFindInterfaceMethodInCache)(Class*, uint32_t, const Method*, struct DvmDex*);
   void (*pUnlockObjectFromCode)(void*, void*);