Added 'translate_longopt()' function.
diff --git a/Lib/distutils/fancy_getopt.py b/Lib/distutils/fancy_getopt.py
index eaf6073..f935200 100644
--- a/Lib/distutils/fancy_getopt.py
+++ b/Lib/distutils/fancy_getopt.py
@@ -470,6 +470,13 @@
     return lines
 
 # wrap_text ()
+
+
+def translate_longopt (opt):
+    """Convert a long option name to a valid Python identifier by
+    changing "-" to "_".
+    """
+    return string.translate(opt, longopt_xlate)
         
 
 class OptionDummy: