Reverts third_party/protobuf: Update to HEAD (f52e188fe4)

third_party/protobuf/javanano/src/main/java/com/google/protobuf/nano/MessageNanoPrinter.java

 // Protocol Buffers - Google's data interchange format
 // Copyright 2013 Google Inc.  All rights reserved.
 // https://developers.google.com/protocol-buffers/
 //
 // 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.
@@ skipping 138 matching lines @@
                 // non-proto-field name collisions (hashCode() and getSerializedSize())
                 if (name.startsWith("set")) {
                     String subfieldName = name.substring(3);
 
                     Method hazzer = null;
                     try {
                         hazzer = clazz.getMethod("has" + subfieldName);
                     } catch (NoSuchMethodException e) {
                         continue;
                     }
-                    // If hazzer doesn't exist or returns false, no need to continue
+                    // If hazzer does't exist or returns false, no need to continue
                     if (!(Boolean) hazzer.invoke(object)) {
                         continue;
                     }
 
                     Method getter = null;
                     try {
                         getter = clazz.getMethod("get" + subfieldName);
                     } catch (NoSuchMethodException e) {
                         continue;
                     }
@@ skipping 96 matching lines @@
                 builder.append('\\').append((char) ch);
             } else if (ch >= 32 && ch < 127) {
                 builder.append((char) ch);
             } else {
                 builder.append(String.format("\\%03o", ch));
             }
         }
         builder.append('"');
     }
 }