tree checksum vpatch file

all signers: asciilifeform diana_coman

antecedents: udp_errata_asciilifeform

press order:

udp_genesisasciilifeform diana_coman
udp_errata_asciilifeformasciilifeform diana_coman
udp_fix_ip_nullcharsdiana_coman

hunks:
udp/libudp/unix_udp.c
udp/manifest