https://git.ruby-lang.org/ruby.git/commit/?id=ed5c09f384

From ed5c09f38459fe4a0f94c9e24358b21ff5f151c6 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Rados=C5=82aw=20Bu=C5=82at?= <radek.bulat@g...>
Date: Mon, 9 Nov 2020 11:25:11 +0100
Subject: Remove unused variable


diff --git a/process.c b/process.c
index dee565e..0b2fdeb 100644
--- a/process.c
+++ b/process.c
@@ -2075,12 +2075,11 @@ check_exec_redirect1(VALUE ary, VALUE key, VALUE param) https://github.com/ruby/ruby/blob/trunk/process.c#L2075
         rb_ary_push(ary, hide_obj(rb_assoc_new(fd, param)));
     }
     else {
-        int i, n=0;
+        int i;
         for (i = 0 ; i < RARRAY_LEN(key); i++) {
             VALUE v = RARRAY_AREF(key, i);
             VALUE fd = check_exec_redirect_fd(v, !NIL_P(param));
             rb_ary_push(ary, hide_obj(rb_assoc_new(fd, param)));
-            n++;
         }
     }
     return ary;
-- 
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