Fix some py3k warnings in the standard library.
diff --git a/Lib/warnings.py b/Lib/warnings.py
index 70b3d43..134ba13 100644
--- a/Lib/warnings.py
+++ b/Lib/warnings.py
@@ -29,7 +29,7 @@
file.write(formatwarning(message, category, filename, lineno, line))
except IOError:
pass # the file (probably stderr) is invalid - this warning gets lost.
-# Keep a worrking version around in case the deprecation of the old API is
+# Keep a working version around in case the deprecation of the old API is
# triggered.
showwarning = _show_warning