--- a/mercurial/util_win32.py	Wed Jul 19 07:56:40 2006 -0700
+++ b/mercurial/util_win32.py	Mon Jul 24 09:11:26 2006 -0700
@@ -297,3 +297,5 @@
             win32file.SetEndOfFile(self.handle)
         except pywintypes.error, err:
             raise WinIOError(err)
+
+getuser_fallback = win32api.GetUserName