Actually make things work in python3.

Author: Jan Synacek <jsynacek@redhat.com>

Index: pidgin-2.13.0/libpurple/purple-remote
===================================================================
--- pidgin-2.13.0.orig/libpurple/purple-remote
+++ pidgin-2.13.0/libpurple/purple-remote
@@ -14,7 +14,7 @@ import sys
 import xml.dom.minidom 
 
 sys.stdin = codecs.getwriter('utf-8')(sys.stdin);
-sys.stdout = codecs.getwriter('utf-8')(sys.stdout);
+sys.stdout = codecs.getwriter('utf-8')(sys.stdout.detach());
 
 xml.dom.minidom.Element.all   = xml.dom.minidom.Element.getElementsByTagName