cpplint: Cleanup errors

Cleanup errors from upstream cpplint in preparation
for moving art's cpplint fork to upstream tip-of-tree cpplint.

Test: cd art && mm
Bug: 68951293
Change-Id: I15faed4594cbcb8399850f8bdee39d42c0c5b956
diff --git a/runtime/oat_file_assistant.cc b/runtime/oat_file_assistant.cc
index 97b2aec..378ce2c 100644
--- a/runtime/oat_file_assistant.cc
+++ b/runtime/oat_file_assistant.cc
@@ -696,7 +696,7 @@
 
   void DisableUnlinkAtDestruction() {
     unlink_file_at_destruction_ = false;
-  };
+  }
 
  private:
   std::unique_ptr<File> file_;