tree checksum vpatch file

all signers: phf

antecedents: vtools_vpatch vdiff_fixes_newline_gcc

press order:

vtools_genesisphf
vdiff_fixes_newline_gccphf
keccakphf
vdiff_keccakphf
vtools_fixes_bitrate_char_arrayphf
vtools_vpatchphf
vtools_fixes_static_tohexphf

hunks:
vtools/lib/xalloc.h
vtools/manifest
vtools/src/bits.adb