SF patch #497420 (Eduardo PĂ©rez): ftplib: ftp anonymous password

Instead of sending the real user and host, use "anonymous@" (i.e. no
host name at all!) as the default anonymous FTP password.  This avoids
privacy violations.
diff --git a/Misc/NEWS b/Misc/NEWS
index 65ee65b..77b6a42 100644
--- a/Misc/NEWS
+++ b/Misc/NEWS
@@ -10,6 +10,10 @@
 
 Library
 
+- ftplib: to safeguard the user's privacy, anonymous login will use
+  "anonymous@" as default password, rather than the real user and host
+  name.
+
 Tools/Demos
 
 Build