Change update_version to update the generated code

update_version.py

@@ -128,6 +128,7 @@ def UpdateCpp():
         'static const int kMinHeaderVersionForProtoc = %s;' % cpp_version,
         line)
     return line
+  
   def RewritePortDef(line):
     line = re.sub(
       r'^#define PROTOBUF_VERSION .*$',
@@ -148,8 +149,31 @@ def UpdateCpp():
         line)
     return line
 
+  def RewritePbH(line):
+    line = re.sub(
+        r'^#if PROTOBUF_VERSION < .*$',
+        '#if PROTOBUF_VERSION < %s' % cpp_version,
+        line)
+    line = re.sub(
+        r'^#if .* < PROTOBUF_MIN_PROTOC_VERSION$',
+        '#if %s < PROTOBUF_MIN_PROTOC_VERSION' % cpp_version,
+        line)
+    return line
+    
   RewriteTextFile('src/google/protobuf/stubs/common.h', RewriteCommon)
   RewriteTextFile('src/google/protobuf/port_def.inc', RewritePortDef)
+  RewriteTextFile('src/google/protobuf/any.pb.h', RewritePbH)
+  RewriteTextFile('src/google/protobuf/api.pb.h', RewritePbH)
+  RewriteTextFile('src/google/protobuf/descriptor.pb.h', RewritePbH)
+  RewriteTextFile('src/google/protobuf/duration.pb.h', RewritePbH)
+  RewriteTextFile('src/google/protobuf/empty.pb.h', RewritePbH)
+  RewriteTextFile('src/google/protobuf/field_mask.pb.h', RewritePbH)
+  RewriteTextFile('src/google/protobuf/source_context.pb.h', RewritePbH)
+  RewriteTextFile('src/google/protobuf/struct.pb.h', RewritePbH)
+  RewriteTextFile('src/google/protobuf/timestamp.pb.h', RewritePbH)
+  RewriteTextFile('src/google/protobuf/type.pb.h', RewritePbH)
+  RewriteTextFile('src/google/protobuf/wrappers.pb.h', RewritePbH)
+  RewriteTextFile('src/google/protobuf/compiler/plugin.pb.h', RewritePbH)
 
 
 def UpdateCsharp():