tftp: Two bugfixes
This update fixes the following issues for tftp:
- bnc#793883: prevent buffer overflow in handling of \x macro and expand v6 mapped addresses as native IPv4 for \i and \x
- bnc#774861: properly get destination address when listening on secondary interface
- Submitted by Vítězslav Čížek (vitezslav_cizek)
Fixed bugs
bnc#793883
tftpd remapping broken with IPv6 enabled
bnc#774861
tftpd data connection uses wrong source address