build fix

board/board.go

@@ -57,7 +57,7 @@ func NewRemote(width, height int) *Board {
 		log.Printf("Received partial: x=%v, y=%v, width=%v, height=%v\n", result.x, result.y, result.width, result.height)
 		for ry := 0; ry < result.height; ry++ {
 			i, _ := b.xyToIndex(result.x, result.y+ry)
-			n, err := result.boardTile.Read(b.data[i : i+byteIndex(result.width)])
+			_, err := result.boardTile.Read(b.data[i : i+byteIndex(result.width)])
 			if !(err == nil || err == io.EOF) {
 				log.Printf("ERROR: %v", err)
 			}