From 0c6c03bfd6ed0d85564c5b074f38095c2b796245 Mon Sep 17 00:00:00 2001
From: Sylvain Dupont <sylvaintv@users.sourceforge.net>
Date: Sun, 10 Oct 2010 21:19:40 +0000
Subject: [PATCH] TOON: Fix potential undefined operation warning

svn-id: r53131
---
 engines/toon/tools.cpp | 6 ++++--
 1 file changed, 4 insertions(+), 2 deletions(-)

diff --git a/engines/toon/tools.cpp b/engines/toon/tools.cpp
index 266effe7596..a03a2d57cee 100644
--- a/engines/toon/tools.cpp
+++ b/engines/toon/tools.cpp
@@ -499,8 +499,10 @@ int32 RncDecoder::unpackM2(const void *input, void *output) {
 
 		ofs_lo = *_srcPtr++;
 		ofs = (ofs_hi << 8) | ofs_lo;
-		while (len--)
-			*_dstPtr++ = *(byte *)(_dstPtr - ofs - 1);
+		while (len--) {
+			*_dstPtr = *(byte *)(_dstPtr - ofs - 1);
+			_dstPtr++;
+		}
 
 	}