Fix place where linter complains about lonely {...

src/objects.h

 // Copyright 2006-2008 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 3042 matching lines @@
 #ifdef DEBUG
   inline uint32_t type() { return type_; }
   inline void invalidate() { valid_ = false; }
   inline bool valid() { return valid_; }
 #else
   inline void invalidate() { }
 #endif
  private:
   uint32_t type_;
 #ifdef DEBUG
+  inline void set_valid() { valid_ = true; }
   bool valid_;
+#else
+  inline void set_valid() { }
 #endif
 };
 
 
 // The String abstract class captures JavaScript string values:
 //
 // Ecma-262:
 //  4.3.16 String Value
 //    A string value is a member of the type String and is a finite
 //    ordered sequence of zero or more 16-bit unsigned integer values.
@@ skipping 1089 matching lines @@
     } else {
       value &= ~(1 << bit_position);
     }
     return value;
   }
 };
 
 } }  // namespace v8::internal
 
 #endif  // V8_OBJECTS_H_