From c4a1bd1e22d6aa3642088d0c218edec3e523a2e0 Mon Sep 17 00:00:00 2001
From: Nyall Dawson <nyall.dawson@gmail.com>
Date: Wed, 10 Feb 2021 15:07:24 +1000
Subject: [PATCH] Avoid unused variable warning

---
 external/untwine/api/QgisUntwine_unix.cpp | 1 +
 1 file changed, 1 insertion(+)

diff --git a/external/untwine/api/QgisUntwine_unix.cpp b/external/untwine/api/QgisUntwine_unix.cpp
index 16c536fc17d..fbf1f26f030 100644
--- a/external/untwine/api/QgisUntwine_unix.cpp
+++ b/external/untwine/api/QgisUntwine_unix.cpp
@@ -15,6 +15,7 @@ bool QgisUntwine::start(Options& options)
 {
     int fd[2];
     int ret = ::pipe(fd);
+    (void)ret;
 
     m_pid = ::fork();