Merged revisions 227166 via svnmerge from

https://origsvn.digium.com/svn/asterisk/branches/1.4

........
  r227166 | file | 2009-11-03 11:36:16 -0400 (Tue, 03 Nov 2009) | 5 lines
  
  Fix a bug where an RPID header could be generated with a blank username in the URI.
  
  (closes issue #15909)
  Reported by: kobaz
........


git-svn-id: https://origsvn.digium.com/svn/asterisk/trunk@227167 65c4cc65-6c06-0410-ace0-fbb531ad65f3