From 705898d1dbf33009be6ef9ff00dc7cb4300638dc Mon Sep 17 00:00:00 2001
From: James Prestwood <prestwoj@gmail.com>
Date: Thu, 4 Jan 2024 04:58:26 -0800
Subject: [PATCH] monitor: include unistd.h in main.c
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This fixes a build break on some systems, specifically the
raspberry Pi 3 (ARM):

monitor/main.c: In function ‘open_packet’:
monitor/main.c:176:3: error: implicit declaration of function ‘close’; did you mean ‘pclose’? [-Werror=implicit-function-declaration]
  176 |   close(fd);
      |   ^~~~~
      |   pclose
---
 monitor/main.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/monitor/main.c b/monitor/main.c
index e9384e1b..8f354d52 100644
--- a/monitor/main.c
+++ b/monitor/main.c
@@ -32,6 +32,7 @@
 #include <string.h>
 #include <getopt.h>
 #include <signal.h>
+#include <unistd.h>
 #include <arpa/inet.h>
 #include <sys/socket.h>
 #include <linux/genetlink.h>