Cleanup code: remove int/long idioms and simplify a while statement.
diff --git a/Lib/optparse.py b/Lib/optparse.py
index b09a13c..946b6a5 100644
--- a/Lib/optparse.py
+++ b/Lib/optparse.py
@@ -417,11 +417,8 @@
 def _parse_int(val):
     return _parse_num(val, int)
 
-def _parse_long(val):
-    return _parse_num(val, int)
-
 _builtin_cvt = { "int" : (_parse_int, _("integer")),
-                 "long" : (_parse_long, _("long integer")),
+                 "long" : (_parse_int, _("integer")),
                  "float" : (float, _("floating-point")),
                  "complex" : (complex, _("complex")) }