$NetBSD$

Use stderr for errors.

Printing to stdout, when really printing on paper, will ends up
wasting one page every time there is an error. Use stderr to avoid
that.

--- Resource/Init/pdf_main.ps.orig	2018-09-13 10:02:01.000000000 +0000
+++ Resource/Init/pdf_main.ps
@@ -1633,7 +1633,7 @@ currentdict /xref-char-dict undef
 } bind executeonly def
 
 /pdfformaterror {	% <string> pdfformaterror -
-  stdoutprint
+  stderrprint
   /Repaired //true store
   /RepairedAnError //true store
 } bind executeonly def