Revert "third_party/protobuf: Update to HEAD (83d681ee2c)"

third_party/protobuf/java/core/src/main/java/com/google/protobuf/MessageReflection.java

Index: third_party/protobuf/java/core/src/main/java/com/google/protobuf/MessageReflection.java
diff --git a/third_party/protobuf/java/core/src/main/java/com/google/protobuf/MessageReflection.java b/third_party/protobuf/java/core/src/main/java/com/google/protobuf/MessageReflection.java
index 3d73efb3a0b22ebbe9291b7eb96f14880ee0b06e..7b791d9e6c40d2abcfe4a49e89ae45d9b625585c 100644
--- a/third_party/protobuf/java/core/src/main/java/com/google/protobuf/MessageReflection.java
+++ b/third_party/protobuf/java/core/src/main/java/com/google/protobuf/MessageReflection.java
@@ -364,6 +364,7 @@ class MessageReflection {
      * Finishes the merge and returns the underlying object.
      */
     Object finish();
+    
   }
 
   static class BuilderAdapter implements MergeTarget {
@@ -548,6 +549,7 @@ class MessageReflection {
     public Object finish() {
       return builder.buildPartial();
     }
+    
   }
 
 
@@ -711,6 +713,7 @@ class MessageReflection {
       throw new UnsupportedOperationException(
           "finish() called on FieldSet object");
     }
+    
   }
 
   /**