Fix vc8 warnings.

src/nvimage/PixelFormat.h

@@ -25,10 +25,9 @@
 #define NV_IMAGE_PIXELFORMAT_H
 
 
-#include <nvimage.h>
+#include <nvimage/nvimage.h>
 
 
-// @@ Move this code to format conversion!!
 namespace nv
 {
 	namespace PixelFormat

src/nvimage/nvtt/CompressRGB.cpp

@@ -116,7 +116,7 @@ void nv::compressRGB(const Image * image, const OutputOptions & outputOptions, c
 				c |= PixelFormat::convert(src[x].a, 8, asize) << ashift;
 				
 				// Output one byte at a time. @@ Not tested... Does this work on LE and BE?
-				for (int i = 0; i < byteCount; i++)
+				for (uint i = 0; i < byteCount; i++)
 				{
 					*(dst + x * byteCount) = (c >> (i * 8)) & 0xFF;
 				}

src/nvimage/nvtt/QuickCompressDXT.cpp

@@ -66,7 +66,7 @@ inline static void findMinMaxColorsBox(const Vector3 * block, uint num, Vector3
 	*maxColor = Vector3(0, 0, 0);
 	*minColor = Vector3(255, 255, 255);
 	
-	for (int i = 0; i < num; i++)
+	for (uint i = 0; i < num; i++)
 	{
 		*maxColor = max(*maxColor, block[i]);
 		*minColor = min(*minColor, block[i]);
@@ -79,7 +79,7 @@ inline static void selectDiagonal(const Vector3 * block, uint num, Vector3 * __r
 	Vector3 center = (*maxColor + *minColor) * 0.5;
 
 	Vector2 covariance = Vector2(zero);
-	for (int i = 0; i < num; i++)
+	for (uint i = 0; i < num; i++)
 	{
 		Vector3 t = block[i] - center;
 		covariance += t.xy() * t.z();