Commit 3ee7b16 for zlib

commit 3ee7b16e61e1724cbbfa0370ed6d546053295977
Author: Shubham Chakraborty <chakrabortyshubham66@gmail.com>
Date:   Sat May 30 21:41:20 2026 +0530

    Include errno.h even if NO_STRERROR defined.

    errno.h is needed for EAGAIN/EWOULDBLOCK.

diff --git a/gzguts.h b/gzguts.h
index f6ea6da..3f49968 100644
--- a/gzguts.h
+++ b/gzguts.h
@@ -128,8 +128,8 @@
 #  include <windows.h>
 #  define zstrerror() gz_strwinerror((DWORD)GetLastError())
 #else
+#  include <errno.h>
 #  ifndef NO_STRERROR
-#    include <errno.h>
 #    define zstrerror() strerror(errno)
 #  else
 #    define zstrerror() "stdio error (consult errno)"