From 63f70eb65160a53443ec76365e78a80948b54824 Mon Sep 17 00:00:00 2001
From: Nobuyoshi Nakada <nobu@ruby-lang.org>
Date: Thu, 31 Oct 2019 22:21:11 +0900
Subject: [PATCH] [ruby/zlib] Removed no longer used variables

https://github.com/ruby/zlib/commit/3e98e4cac3
---
 ext/zlib/zlib.c | 3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)

diff --git a/ext/zlib/zlib.c b/ext/zlib/zlib.c
index a7d0bc1136..2d938199b3 100644
--- a/ext/zlib/zlib.c
+++ b/ext/zlib/zlib.c
@@ -628,7 +628,6 @@ zstream_expand_buffer(struct zstream *z)
 	long buf_filled = ZSTREAM_BUF_FILLED(z);
 	if (buf_filled >= ZSTREAM_AVAIL_OUT_STEP_MAX) {
 	    int state = 0;
-	    VALUE self = (VALUE)z->stream.opaque;
 
 	    rb_obj_reveal(z->buf, rb_cString);
 
@@ -738,7 +737,7 @@ zstream_append_buffer(struct zstream *z, const Bytef *src, long len)
 static VALUE
 zstream_detach_buffer(struct zstream *z)
 {
-    VALUE dst, self = (VALUE)z->stream.opaque;
+    VALUE dst;
 
     if (!ZSTREAM_IS_FINISHED(z) && !ZSTREAM_IS_GZFILE(z) &&
 	    rb_block_given_p()) {