reproducible Debian: builtin-pho overview: include fix c39573cb7 from bremner...

reproducible Debian: builtin-pho overview: include fix c39573cb7 from bremner from builtin-pho.git/demos

look at the source version for builds as well.

This deals with binNMUs better, since the binNMU version will never
match the source version. The previous change in 2d78b9a3 was incomplete,
since it only modified the check for binary packages.

(2d78b9a3 in builtin-pho.git is e095c249 in this repo.)

Signed-off-by: Holger Levsen <holger@layer-acht.org>