ratbagd: ignore NULL profiles
ratbagd: ignore NULL profiles

Never return information about non-existant profiles. Just skip NULL
profiles silently, when iterating.

Signed-off-by: David Herrmann <fb53b2ddb8d141e0cb39d7c67c2f81b6bc2eb0f7@gmail.com>

whot/libratbag,libratbag/libratbag,libratbag/libratbag,whot/libratbag,whot/libratbag,libratbag/libratbag