Convert fails for some pdfs

[Juliusz Gonera]

Forum topic: http://www.imagemagick.org/discourse-server/viewtopic.php?f=3&t=19284

Convert fails for some pdfs. Appropriate pdf file included.

Environment
------------------

+ Ubuntu 10.04 lucid
+ GPL Ghostscript 9.02
+ ImageMagick 6.7.1-4


PDF file
-----------

http://dl.dropbox.com/u/7581847/galler_tagblatt.pdf

Invocation
------------------

convert galler_tagblatt.pdf page_%02d.jpg

Trace
---------

lt-convert: no decode delegate for this image format
`/tmp/magick-Fg1m92ms-00000001' @ error/constitute.c/ReadImage/532.
lt-convert: Postscript delegate failed `galler_tagblatt.pdf':  @
error/pdf.c/ReadPDFImage/664.
lt-convert: missing an image filename `page_%02d.jpg' @
error/convert.c/ConvertImageCommand/3015

--
Best,
JG