Fixes for dgst tool. Initialize md_name, sig_name properly. Return error code

on failure. Keep output format consistent with previous versions.

Also flush stdout after printing ACCEPT in s_server.

apps/s_server.c

@@ -1447,6 +1447,7 @@ bad:
 		}
 
 	BIO_printf(bio_s_out,"ACCEPT\n");
+	BIO_flush(bio_s_out);
 	if (www)
 		do_server(port,socket_type,&accept_socket,www_body, context);
 	else