Security update for freerdp (important)

This update for freerdp fixes the following issues: - CVE-2017-2834: Out-of-bounds write in licenserecv bsc1050714 - CVE-2017-2835: Out-of-bounds write in rdprecvtpktpdu bsc1050712 - CVE-2017-2836: Rdp Client Read Server Proprietary Certificate Denial of Service bsc1050699 - CVE-2017-2837: Client...