From 8d8b1cdcd5a74f850743faaa1f009d4c3d2875e2 Mon Sep 17 00:00:00 2001
From: Max Lv <max.c.lv@gmail.com>
Date: Sat, 1 Jun 2019 20:38:14 +0800
Subject: [PATCH] Refine TCP related headers. #2387

---
 src/netutils.h | 6 ++----
 1 file changed, 2 insertions(+), 4 deletions(-)

diff --git a/src/netutils.h b/src/netutils.h
index ee62317e..82724195 100644
--- a/src/netutils.h
+++ b/src/netutils.h
@@ -29,13 +29,11 @@
 #include <sys/socket.h>
 #endif
 
-#ifdef HAVE_LINUX_TCP_H
+#if defined(HAVE_LINUX_TCP_H)
 #include <linux/tcp.h>
 #elif defined(HAVE_NETINET_TCP_H)
 #include <netinet/tcp.h>
-#endif
-
-#ifdef HAVE_NETDB_H
+#elif defined(HAVE_NETDB_H)
 #include <netdb.h>
 #endif