AU: Class to perform delta updates.

src/platform/update_engine/bzip_extent_writer.h

Index: src/platform/update_engine/bzip_extent_writer.h
diff --git a/src/platform/update_engine/bzip_extent_writer.h b/src/platform/update_engine/bzip_extent_writer.h
index fdd9671c6bcbcc9f8042fb52ed911a8d1dfe5a27..acffbac39a2059b6c8c32288a37a19de554aa8ed 100644
--- a/src/platform/update_engine/bzip_extent_writer.h
+++ b/src/platform/update_engine/bzip_extent_writer.h
@@ -23,7 +23,7 @@ class BzipExtentWriter : public ExtentWriter {
   }
   ~BzipExtentWriter() {}
 
-  bool Init(int fd, const std::vector<Extent>& extents, uint32 block_size);
+  bool Init(int fd, const std::vector<Extent>& extents, uint32_t block_size);
   bool Write(const void* bytes, size_t count);
   bool EndImpl();