Fix a bunch of spelling mistakes :\

src/serialize.cc

 // 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 725 matching lines @@
   }
 
   int InsertString(const char* s, int pos);
 
   int length() { return len_; }
 
   Address position() { return reinterpret_cast<Address>(&str_[len_]); }
 
  private:
   char* str_;  // the snapshot
-  int len_;   // the curent length of str_
+  int len_;   // the current length of str_
   int max_;   // the allocated size of str_
 };
 
 
 void SnapshotWriter::Reserve(int bytes, int pos) {
   CHECK(0 <= pos && pos <= len_);
   while (len_ + bytes >= max_) {
     max_ *= 2;
     char* old = str_;
     str_ = NewArray<char>(max_);
@@ skipping 762 matching lines @@
         ASSERT(index < large_objects_.length());
       }
       return large_objects_[index];  // s.page_offset() is ignored.
   }
   UNREACHABLE();
   return NULL;
 }
 
 
 } }  // namespace v8::internal