From ed6bf3784dff4394555378d57e8d5fde65f0a2a8 Mon Sep 17 00:00:00 2001
From: John Bytheway <jbytheway@gmail.com>
Date: Sun, 9 Aug 2020 19:25:52 -0400
Subject: [PATCH] Remove duplicate fd_null declaration

Include field_type.h in ammo_effect.h rather than separately
forward-declaring fd_null there.

Avoids a clang-tidy warning.
---
 src/ammo_effect.h | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/ammo_effect.h b/src/ammo_effect.h
index 47e56804cc777..0df808e38b547 100644
--- a/src/ammo_effect.h
+++ b/src/ammo_effect.h
@@ -7,10 +7,10 @@
 #include <vector>
 
 #include "explosion.h"
+#include "field_type.h"
 #include "string_id.h"
 #include "type_id.h"
 
-extern field_type_id fd_null;
 class JsonObject;
 
 struct ammo_effect {