Fixed finish flag receive error.

zmodem/rz.c

@@ -950,13 +950,20 @@ ackbibi()
 	register n;
 
 	vfile("ackbibi:");
+#ifdef SYLIXOS
+	Readnum = HOWMANY;
+#else
 	Readnum = 1;
+#endif
 	stohdr(0L);
 	for (n=3; --n>=0; ) {
 		purgeline();
 		zshhdr(4,ZFIN, Txhdr);
 		switch (readline(100)) {
 		case 'O':
+#ifdef SYLIXOS
+			Readnum = 1;
+#endif
 			readline(1);	/* Discard 2nd 'O' */
 			vfile("ackbibi complete");
 			return;