From 5105a0bc5e5f15cdaa922f822ade63642180264f Mon Sep 17 00:00:00 2001
From: Jonathan Hui <jonhui@nestlabs.com>
Date: Wed, 16 Nov 2016 17:24:46 +0800
Subject: [PATCH] Fix clang warning in lowpan unit test. (#975)

---
 tests/unit/test_lowpan.cpp | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/tests/unit/test_lowpan.cpp b/tests/unit/test_lowpan.cpp
index 2872e1a2b..1c01f254d 100644
--- a/tests/unit/test_lowpan.cpp
+++ b/tests/unit/test_lowpan.cpp
@@ -220,7 +220,7 @@ static void Test(TestIphcVector &aVector, bool aCompress, bool aDecompress)
         {
             // Append payload to the IPv6 Packet.
             memcpy(result + message->GetLength(), iphc + decompressedBytes,
-                   iphcLength - decompressedBytes);
+                   iphcLength - static_cast<uint16_t>(decompressedBytes));
 
             printf("Resulted IPv6 uncompressed packet: \n");
             otTestPrintHex(result, message->GetLength() + iphcLength - decompressedBytes);