Remove more lint.

Change-Id: I48714db4169d9ea0536342809361210910ee2091
diff --git a/src/compiled_method.cc b/src/compiled_method.cc
index ca7858a..ad36bd2 100644
--- a/src/compiled_method.cc
+++ b/src/compiled_method.cc
@@ -109,7 +109,7 @@
     case kX86:
       return offset;
     default:
-      LOG(FATAL) << "Unknown InstructionSet " << (int) instruction_set;
+      LOG(FATAL) << "Unknown InstructionSet: " << static_cast<int>(instruction_set);
       return 0;
   }
 }
@@ -124,7 +124,7 @@
       return 1;
     }
     default:
-      LOG(FATAL) << "Unknown InstructionSet " << (int) instruction_set_;
+      LOG(FATAL) << "Unknown InstructionSet: " << static_cast<int>(instruction_set_);
       return 0;
   }
 }
@@ -142,7 +142,7 @@
       return reinterpret_cast<const void*>(address);
     }
     default:
-      LOG(FATAL) << "Unknown InstructionSet " << (int) instruction_set;
+      LOG(FATAL) << "Unknown InstructionSet: " << static_cast<int>(instruction_set);
       return NULL;
   }
 }