abuild unpack

alpine:~/dillo$ abuild unpack
>>> ERROR: dillo: Use 'abuild checksum' to generate/update the checksum(s)
alpine:~/dillo$ abuild checksum
>>> dillo: Fetching http://www.dillo.org/download/dillo-3.0.5.tar.bz2
>>> dillo: Updating the sha512sums in APKBUILD...
sha512sum: can't open 'dillo.desktop': No such file or directory
sha512sum: can't open 'dillo.png': No such file or directory
>>> ERROR: dillo: sha512sum failed