[Isolates] Small fixes:

src/arm/simulator-arm.h

 // Copyright 2009 the V8 project authors. All rights reserved.
 // Redistribution and use in source and binary forms, with or without
 // modification, are permitted provided that the following conditions are
 // met:
 //
 //     * Redistributions of source code must retain the above copyright
 //       notice, this list of conditions and the following disclaimer.
 //     * Redistributions in binary form must reproduce the above
 //       copyright notice, this list of conditions and the following
 //       disclaimer in the documentation and/or other materials provided
@@ skipping 61 matching lines @@
     return c_limit;
   }
 
   static inline uintptr_t RegisterCTryCatch(uintptr_t try_catch_address) {
     return try_catch_address;
   }
 
   static inline void UnregisterCTryCatch() { }
 };
 
+} }  // namespace v8::internal
+
 #else  // !defined(USE_SIMULATOR)
 // Running with a simulator.
 
 #include "constants-arm.h"
 #include "hashmap.h"
 #include "assembler.h"
 
 namespace v8 {
 namespace internal {
 
@@ skipping 304 matching lines @@
 
   static inline void UnregisterCTryCatch() {
     Simulator::current(Isolate::Current())->PopAddress();
   }
 };
 
 } }  // namespace v8::internal
 
 #endif  // !defined(USE_SIMULATOR)
 #endif  // V8_ARM_SIMULATOR_ARM_H_