Add tools cleanup with parrent clean

tools/lz/Makefile

@@ -10,7 +10,7 @@ all: lz77
 	@echo > /dev/null
 
 clean:
-	rm -f lz77
+	@rm -f lz77
 
 lz77: lz.c lz77.c
 	@$(NATIVE_CC) -o $@ lz.c lz77.c

tools/lz/lz77.c

@@ -76,7 +76,7 @@ int main(int argc, char *argv[])
 		if (nbytes > out_size)
 			goto error;
 
-		if((out_file = fopen(filename,"w")) == NULL)
+		if((out_file = fopen(filename,"wb")) == NULL)
 			goto error;
 
 		if (fwrite(out_buf, 1, nbytes, out_file) != nbytes)