From 9fefed67f420b2097d43592850947144b2630b3d Mon Sep 17 00:00:00 2001
From: RichieSams
Date: Sun, 22 Sep 2013 15:11:38 -0500
Subject: ZVISION: Fix signed/unsigned mismatch

---
 engines/zvision/render_table.cpp | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/engines/zvision/render_table.cpp b/engines/zvision/render_table.cpp
index 5eb208eb8c..dc5ebdb791 100644
--- a/engines/zvision/render_table.cpp
+++ b/engines/zvision/render_table.cpp
@@ -103,10 +103,10 @@ uint16 mixTwoRGB(uint16 colorOne, uint16 colorTwo, float percentColorOne) {
 void RenderTable::mutateImage(uint16 *sourceBuffer, uint16* destBuffer, uint32 destWidth, const Common::Rect &subRect) {
 	uint32 destOffset = 0;
 
-	for (uint32 y = subRect.top; y < subRect.bottom; y++) {
+	for (int16 y = subRect.top; y < subRect.bottom; y++) {
 		uint32 sourceOffset = y * _numColumns;
 
-		for (uint32 x = subRect.left; x < subRect.right; x++) {
+		for (int16 x = subRect.left; x < subRect.right; x++) {
 			uint32 normalizedX = x - subRect.left;
 			uint32 index = sourceOffset + x;
 
-- 
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