Fix typo in argument name.

Test: mma -j40 test-art-host
Change-Id: Ifff0e7b7ae64ce322562244a705fbe4e8f879689
diff --git a/runtime/class_linker.h b/runtime/class_linker.h
index d3bb58d..5042fb7 100644
--- a/runtime/class_linker.h
+++ b/runtime/class_linker.h
@@ -1213,7 +1213,7 @@
                               const DexFile& initial_dex_file ATTRIBUTE_UNUSED,
                               const DexFile::ClassDef& initial_class_def ATTRIBUTE_UNUSED,
                               /*out*/DexFile const** final_dex_file ATTRIBUTE_UNUSED,
-                              /*out*/DexFile::ClassDef const** final_dex_cache ATTRIBUTE_UNUSED)
+                              /*out*/DexFile::ClassDef const** final_class_def ATTRIBUTE_UNUSED)
       REQUIRES_SHARED(Locks::mutator_lock_) {}
 
   // A class has been loaded.