Warnings in url-parse.el

[Eli Zaretskii]

Compiling url/url-parse.el on the EMACS_22_BASE branch produces many
warnings like this:

  In url-type:
  url/url-parse.el:33:8:Warning: macro `url-type' being redefined as a function

  In url-user:
  url/url-parse.el:36:8:Warning: macro `url-user' being redefined as a function

  In url-password:
  url/url-parse.el:39:8:Warning: macro `url-password' being redefined as a 
function

  In url-host:
  url/url-parse.el:42:8:Warning: macro `url-host' being redefined as a function

  In url-port:
  url/url-parse.el:45:8:Warning: macro `url-port' being redefined as a function

  In url-filename:
  url/url-parse.el:50:8:Warning: macro `url-filename' being redefined as a 
function