without it the build fails for lack of `pahole`. note that in bullseye
and later, the dwarves-dfsg source package got renamed, and the pahole
binary split into its own binary package called `pahole`. the required
version is only available via buster-backports.
Signed-off-by: Fabian Grünbichler <f.gruenbichler@proxmox.com>
Fabian Grünbichler
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