Commit 42ca9c2 for zlib

commit 42ca9c2c9b010c8c9b278079c98bf7aadb074e69
Author: Mark Adler <git@madler.net>
Date:   Tue Jan 6 12:25:30 2026 -0600

    Add definition of ZLIB_INSECURE to build tests with c89 and c94.

diff --git a/.github/workflows/c-std.yml b/.github/workflows/c-std.yml
index a99cdb5..150cb91 100644
--- a/.github/workflows/c-std.yml
+++ b/.github/workflows/c-std.yml
@@ -50,12 +50,18 @@ jobs:
         std:
           - name: c89
             value: c89
+            compiler-opt: -DZIP_INSECURE
+            cmake-opt: -DZIP_INSECURE

           - name: gnu89
             value: gnu89
+            compiler-opt: -DZIP_INSECURE
+            cmake-opt: -DZIP_INSECURE

           - name: c94
             value: iso9899:199409
+            compiler-opt: -DZIP_INSECURE
+            cmake-opt: -DZIP_INSECURE

           - name: c99
             value: c99