Commit d7bc8ca for zlib

commit d7bc8cafee5bdfde98732622d3b99e2f52f7b2eb
Author: Mark Adler <git@madler.net>
Date:   Mon Feb 16 17:50:09 2026 -0800

    Define NULL in inftrees.c if needed.

diff --git a/inftrees.c b/inftrees.c
index 2a46871..8dc0d08 100644
--- a/inftrees.c
+++ b/inftrees.c
@@ -16,6 +16,10 @@
 #include "inftrees.h"
 #include "inflate.h"

+#ifndef NULL
+#  define NULL 0
+#endif
+
 #define MAXBITS 15

 const char inflate_copyright[] =