Fix hardcoded [ugh] regexp for fixing-up img urls. Fixes mucho broken links.

Fix hardcoded [ugh] regexp for fixing-up img urls.  Fixes mucho broken links.

    Van: 	Jan Nieuwenhuizen <janneke@abc.webdev.nl>
    Reply-to: 	lilypond-devel@gnu.org
    Aan: 	lilypond-cvs@gnu.org
    Onderwerp: 	Cron 404 report
    Datum: 	18-11-09 05:25:06

    popularity page
	       [referrer]...

      120 /doc/v2.13/Documentation/changes/e7/lily-a6a52c4f.png
	    http://lilypond.org/doc/v2.13/Documentation/changes/
      120 /doc/v2.13/Documentation/changes/e0/lily-288f9541.png
	    http://lilypond.org/doc/v2.13/Documentation/changes/
      120 /doc/v2.13/Documentation/changes/bb/lily-cefae21c.png
	    http://lilypond.org/doc/v2.13/Documentation/changes/
      120 /doc/v2.13/Documentation/changes/b8/lily-69e303fc.png
	    http://lilypond.org/doc/v2.13/Documentation/changes/
      120 /doc/v2.13/Documentation/changes/b0/lily-c1d83ee6.png
	    http://lilypond.org/doc/v2.13/Documentation/changes/
      120 /doc/v2.13/Documentation/changes/97/lily-80b3f9b3.png
	    http://lilypond.org/doc/v2.13/Documentation/changes/
      120 /doc/v2.13/Documentation/changes/81/lily-dd9833ca.png
	    http://lilypond.org/doc/v2.13/Documentation/changes/