From a869ae9687839b08a44c2ec25ea92f424db34e6b Mon Sep 17 00:00:00 2001
From: Philippe Teuwen <phil@teuwen.org>
Date: Sat, 26 Oct 2019 18:34:25 +0200
Subject: [PATCH] zlib: unused parameter warning

---
 common/zlib/trees.c | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/common/zlib/trees.c b/common/zlib/trees.c
index 8d230426e..1ef49d00d 100644
--- a/common/zlib/trees.c
+++ b/common/zlib/trees.c
@@ -923,6 +923,10 @@ charf *buf;       /* input block, or NULL if too old */
 ulg stored_len;   /* length of input block */
 int last;         /* one if this is the last block for a file */
 {
+#ifdef ZLIB_PM3_TUNED
+    (void) buf;
+    (void) stored_len;
+#endif
     int max_blindex = 0;  /* index of last bit length code of non zero freq */
 #ifndef ZLIB_PM3_TUNED
     ulg opt_lenb, static_lenb; /* opt_len and static_len in bytes */