From 89701783174f863ec498f4be2185dd19e23db5b6 Mon Sep 17 00:00:00 2001
From: Niels Martin Hansen <nielsm@aegisub.org>
Date: Wed, 4 Nov 2009 04:27:55 +0000
Subject: [PATCH] Merge r3758 from trunk.

Originally committed to SVN as r3759.
---
 aegisub/src/audio_player_dsound2.cpp | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/aegisub/src/audio_player_dsound2.cpp b/aegisub/src/audio_player_dsound2.cpp
index c336c287b..58aa63d0f 100644
--- a/aegisub/src/audio_player_dsound2.cpp
+++ b/aegisub/src/audio_player_dsound2.cpp
@@ -395,8 +395,9 @@ do_fill_buffer:
 				DWORD buf1sz, buf2sz;
 				void *buf1, *buf2;
 
+				assert(bytes_needed > 0);
 				assert(buffer_offset < bufSize);
-				assert(bytes_needed <= bufSize);
+				assert((DWORD)bytes_needed <= bufSize);
 
 				HRESULT res = bfr->Lock(buffer_offset, bytes_needed, &buf1, &buf1sz, &buf2, &buf2sz, 0);
 				switch (res)