RSV SOS bundles untrunc as a separate executable and invokes it locally.

Upstream source included in this compliance ZIP:
sources/untrunc-upstream-master.zip

Upstream project:
https://github.com/ponchio/untrunc

License:
GPL-2.0, according to the upstream project.

Note:
The Windows untrunc.exe currently included in older RSV SOS Windows packages is an existing binary. If exact corresponding source for that specific executable is requested, rebuild untrunc from the included upstream source and replace the bundled binary with the rebuilt one, or provide the exact source/build recipe used for the binary.
