From 53dd2e5d161571ca69e4a9341cb8d108991de820 Mon Sep 17 00:00:00 2001
From: Ralf Schlatterbeck <rsc@runtux.com>
Date: Fri, 22 Apr 2016 12:34:16 +0200
Subject: [PATCH] Fix unused variable warning

---
 core/net/mac/contikimac/contikimac.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/core/net/mac/contikimac/contikimac.c b/core/net/mac/contikimac/contikimac.c
index 30a532511..47e2b5733 100644
--- a/core/net/mac/contikimac/contikimac.c
+++ b/core/net/mac/contikimac/contikimac.c
@@ -540,11 +540,11 @@ send_packet(mac_callback_t mac_callback, void *mac_callback_ptr,
   rtimer_clock_t t0;
 #if WITH_PHASE_OPTIMIZATION
   rtimer_clock_t encounter_time = 0;
+  uint8_t is_known_receiver = 0;
 #endif
   int strobes;
   uint8_t got_strobe_ack = 0;
   uint8_t is_broadcast = 0;
-  uint8_t is_known_receiver = 0;
   uint8_t collisions;
   int transmit_len;
   int ret;