tree checksum vpatch file

all signers: asciilifeform diana_coman

antecedents:

press order:

udp_genesisasciilifeform diana_coman

hunks:
udp/README
udp/echodemo/bin/README
udp/echodemo/obj/README
udp/echodemo/udp_echo_demo.adb
udp/echodemo/udp_echo_demo.gpr
udp/libudp/lib/README
udp/libudp/obj/README
udp/libudp/restrict.adc
udp/libudp/udp.adb
udp/libudp/udp.ads
udp/libudp/udp.gpr
udp/libudp/unix_udp.c
udp/manifest
udp/txdemo/bin/README
udp/txdemo/obj/README
udp/txdemo/udp_tx_demo.adb
udp/txdemo/udp_tx_demo.gpr