Auto-generate files after cl/600653849
diff --git a/ruby/ext/google/protobuf_c/ruby-upb.h b/ruby/ext/google/protobuf_c/ruby-upb.h
index 49e0dbc..8d5b199 100755
--- a/ruby/ext/google/protobuf_c/ruby-upb.h
+++ b/ruby/ext/google/protobuf_c/ruby-upb.h
@@ -2002,7 +2002,7 @@
 // Adds the given extension data to the given message.
 // |ext| is copied into the message instance.
 // This logically replaces any previously-added extension with this number.
-struct upb_Extension* _upb_Message_GetOrCreateExtension(
+struct upb_Extension* UPB_PRIVATE(_upb_Message_GetOrCreateExtension)(
     struct upb_Message* msg, const upb_MiniTableExtension* ext,
     upb_Arena* arena);
 
@@ -2785,7 +2785,8 @@
     struct upb_Message* msg, const upb_MiniTableExtension* mt_ext,
     const void* val, upb_Arena* a) {
   UPB_ASSERT(a);
-  struct upb_Extension* ext = _upb_Message_GetOrCreateExtension(msg, mt_ext, a);
+  struct upb_Extension* ext =
+      UPB_PRIVATE(_upb_Message_GetOrCreateExtension)(msg, mt_ext, a);
   if (!ext) return false;
   UPB_PRIVATE(_upb_MiniTableField_DataCopy)
   (&mt_ext->UPB_PRIVATE(field), &ext->data, val);