Discard stderr from gs when comparing images.

This works around cases where gs falsely complains about things in the
PDF files or gives warnings that don't harm the output.  See comments
in qpdf.test for details.

1 files changed, 0 insertions, 4 deletions

diff --git a/TODO b/TODO
index 74ed814d..5205113c 100644
--- a/TODO
+++ b/TODO
@@ -5,10 +5,6 @@ Next
 
  * Fix documentation errors in debian bug reports
 
- * good17.pdf, good18.pdf, and hybrid-xref.pdf have incorrect hybrid
-   reference sections.  Review section 3.4 of the PDF specification
-   and make sure ghostscript doesn't complain about the files.
-
 General
 =======