tree checksum vpatch file

all signers: bvt phf

antecedents: vtools_vpatch_newline vtools_ksum

press order:

vtools_genesisphf
vdiff_fixes_newline_gccphf
keccakphf
vdiff_keccakphf
vtools_fixes_bitrate_char_arrayphf
vtools_vpatchphf
vtools_fixes_static_tohexphf
vtools_vpatch_newlinephf
vtools_ksumphf
vtools_tempfile_standalone_notmpbvt phf

hunks:
vtools/manifest
vtools/src/temporary_file.adb
vtools/src/temporary_file.ads
vtools/src/vpatch.adb