Update the path of test executables
With the switch to Buster, executables in libgupnp-1.0-tests are now shipped
in a multiarch-aware path, like /usr/lib/x86_64-linux-gnu/gupnp/
instead
of /usr/lib/gupnp/
.
With the switch to Buster, executables in libgupnp-1.0-tests are now shipped
in a multiarch-aware path, like /usr/lib/x86_64-linux-gnu/gupnp/
instead
of /usr/lib/gupnp/
.