telnet: fix uninitialized variable bug

function                                             old     new   delta
telnet_main                                         1236    1238      +2

Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>

networking/telnet.c

@@ -248,7 +248,7 @@ static void handle_net_input(int len)
 {
 	byte c;
 	int i;
-	int cstart = cstart; /* for compiler */
+	int cstart = 0;
 
 	i = 0;
 	//bb_error_msg("[%u,'%.*s']", G.telstate, len, G.buf);