SFTP: increase maximum packet size to 256K
to match implementations like OpenSSH.
/* This is the maximum packet length to accept, as larger than this indicate
some kind of server problem. */
-#define LIBSSH2_SFTP_PACKET_MAXLEN 80000
+#define LIBSSH2_SFTP_PACKET_MAXLEN (256 * 1024)
static int sftp_packet_ask(LIBSSH2_SFTP *sftp, unsigned char packet_type,
uint32_t request_id, unsigned char **data,
