Fix clang error

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@92625 0039d316-1c4b-4281-b951-d872f2087c98
diff --git a/chrome/browser/download/save_package_file_picker.h b/chrome/browser/download/save_package_file_picker.h
index 638f151c..db0da64e 100644
--- a/chrome/browser/download/save_package_file_picker.h
+++ b/chrome/browser/download/save_package_file_picker.h
@@ -18,7 +18,7 @@
   SavePackageFilePicker(SavePackage* save_package,
                         const FilePath& suggested_path,
                         bool can_save_as_complete);
-  ~SavePackageFilePicker();
+  virtual ~SavePackageFilePicker();
 
   // Used to disable prompting the user for a directory/filename of the saved
   // web page.  This is available for testing.