$NetBSD: patch-Makefile.in,v 1.8 2023/05/07 13:16:26 wiz Exp $

Needs C++17
https://github.com/OpenPrinting/cups-filters/issues/512

--- Makefile.in.orig	2022-08-24 12:40:10.000000000 +0000
+++ Makefile.in
@@ -1662,7 +1662,7 @@ pdftopdf_CFLAGS = \
 	$(LIBQPDF_CFLAGS) \
 	$(CUPS_CFLAGS)
 
-pdftopdf_CXXFLAGS = -std=c++0x $(pdftopdf_CFLAGS)   # -std=c++11
+pdftopdf_CXXFLAGS = $(pdftopdf_CFLAGS)
 pdftopdf_LDADD = \
 	$(LIBQPDF_LIBS) \
 	$(CUPS_LIBS)