File 0001-Check-for-defined-PNG_IGNORE_ADLER32.patch of Package pngcrush

From 4656989f857a5e909cc6649e25bba95908c9c578 Mon Sep 17 00:00:00 2001
From: John Bowler <jbowler@acm.org>
Date: Thu, 1 Feb 2024 05:06:45 -0800
Subject: [PATCH] Check for defined PNG_IGNORE_ADLER32

The check was missing round the first usage, it was there in the second.
---
 pngcrush.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/pngcrush.c b/pngcrush.c
index d0c387e..ed27eff 100644
--- a/pngcrush.c
+++ b/pngcrush.c
@@ -5520,8 +5520,10 @@ int main(int argc, char *argv[])
                      * they were already checked in the pngcrush_measure_idat
                      * function
                      */
+# ifdef PNG_IGNORE_ADLER32
                     png_set_option(read_ptr, PNG_IGNORE_ADLER32,
                         PNG_OPTION_ON);
+# endif
                     png_set_crc_action(read_ptr, PNG_CRC_QUIET_USE,
                                        PNG_CRC_QUIET_USE);
                 }
-- 
2.44.0