From e1ca235c4457e7f5f35dea688396845146fbf04a Mon Sep 17 00:00:00 2001
From: Filippos Karapetis
Date: Tue, 19 Jul 2011 10:50:48 +0300
Subject: BINK decoder: Fixed compilation with MSVC

---
 video/bink_decoder.cpp | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/video/bink_decoder.cpp b/video/bink_decoder.cpp
index 1f3190dff1..cebda72a76 100644
--- a/video/bink_decoder.cpp
+++ b/video/bink_decoder.cpp
@@ -654,7 +654,7 @@ void BinkDecoder::initAudioTrack(AudioTrack &audio) {
 
 	audio.overlapLen = audio.frameLen / 16;
 	audio.blockSize  = (audio.frameLen - audio.overlapLen) * audio.channels;
-	audio.root       = 2.0 / sqrt(audio.frameLen);
+	audio.root       = 2.0 / sqrt((double)audio.frameLen);
 
 	uint32 sampleRateHalf = (audio.sampleRate + 1) / 2;
 
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