Follow up to "Add ISA directory to image and odex pathnames."

Change-Id: I7f08cc3052fbed93a56ccf1ab7675ae8bc129da9
diff --git a/runtime/class_linker.h b/runtime/class_linker.h
index 22fd668..0811266 100644
--- a/runtime/class_linker.h
+++ b/runtime/class_linker.h
@@ -289,7 +289,7 @@
   static bool VerifyOatFileChecksums(const OatFile* oat_file,
                                      const char* dex_location,
                                      uint32_t dex_location_checksum,
-                                     const InstructionSet instruction_set,
+                                     InstructionSet instruction_set,
                                      std::string* error_msg);
 
   // TODO: replace this with multiple methods that allocate the correct managed type.