fix include header.

return true in isSupported()

src/nvimage/BlockDXT.h

@@ -26,7 +26,7 @@
 
 #include <nvmath/Color.h>
 
-#include <nvimage.h>
+#include <nvimage/nvimage.h>
 
 namespace nv
 {

src/nvimage/DirectDrawSurface.cpp

@@ -368,7 +368,7 @@ bool DirectDrawSurface::isSupported() const
 	
 	if (header.pf.flags & DDPF_FOURCC)
 	{
-		if (header.pf.fourcc != FOURCC_DXT1 && 
+		if (header.pf.fourcc != FOURCC_DXT1 &&
 		    header.pf.fourcc != FOURCC_DXT2 &&
 		    header.pf.fourcc != FOURCC_DXT3 &&
 		    header.pf.fourcc != FOURCC_DXT4 &&
@@ -385,9 +385,11 @@ bool DirectDrawSurface::isSupported() const
 	{
 		if (header.pf.bitcount == 24)
 		{
+			return false;
 		}
-		else if (header.pf.bitcount == 24)
+		else if (header.pf.bitcount == 32)
 		{
+			return false;
 		}
 		else
 		{
@@ -412,7 +414,7 @@ bool DirectDrawSurface::isSupported() const
 		return false;
 	}
 	
-	return false;
+	return true;
 }