https://bugs.gentoo.org/708056

From 8c7eea58f2034113ae91ff7adc2bda72465b7d1a Mon Sep 17 00:00:00 2001
From: Peter Bieringer <pb@bieringer.de>
Date: Fri, 24 Jan 2020 07:15:55 +0100
Subject: [PATCH] ipv6logconv/ipv6logconv.{h,c}: fix multiple definition of
 'cache_lru_limit'

--- a/ipv6logconv/ipv6logconv.c
+++ b/ipv6logconv/ipv6logconv.c
@@ -58,7 +58,7 @@ static void lineparser(const long int outputtype);
 /* LRU cache */
 
 #define CACHE_LRU_SIZE 200
-
+int cache_lru_limit;
 static int      cache_lru_max = 0;
 static int      cache_lru_last = 0;
 static char     cache_lru_key_token[CACHE_LRU_SIZE][NI_MAXHOST];
--- a/ipv6logconv/ipv6logconv.h
+++ b/ipv6logconv/ipv6logconv.h
@@ -20,8 +20,7 @@
 #define DEBUG_ipv6logconv_general      0x00000001l
 #define DEBUG_ipv6logconv_processing   0x00000002l
 
-/* prototyping */
-int cache_lru_limit;
+extern int cache_lru_limit;
 
 extern int feature_reg;
 extern int feature_ieee;
-- 
2.27.0