debian/python.postrm.in: Handle purge command the same way as remove

(thanks to Mitsuya Shibata for the bug report)

debian/changelog

 python-defaults (2.7.3-3) UNRELEASED; urgency=low
 
+  [ Piotr Ożarowski ]
   * dh_python2:
     - no longer sensitive to trailing slash in private dir names
       (closes: #686358)
@@ -8,6 +9,10 @@ python-defaults (2.7.3-3) UNRELEASED; urgency=low
     - TODO: parse interpreter version number from --shebang option and add
       apropriate dependency/rt* script arguments
 
+  [ Dmitry Shachnev ]
+  * debian/python.postrm.in: Handle purge command the same way as remove
+    (thanks to Mitsuya Shibata for the bug report)
+
  -- Piotr Ożarowski <piotr@debian.org>  Fri, 31 Aug 2012 18:06:26 +0200
 
 python-defaults (2.7.3-2) unstable; urgency=low

debian/python.postrm.in

 #! /bin/sh
 set -e
 
-case "$1" in
-    purge)
+case "$1" in remove|purge)
 	rm -rf /etc/python
 esac