pidgin/pidgin

Only use an info message if we were unable to load the system default preferences

Testing Done:
Ran the debian-bookworm-amd64 container and verified that this fixed the unit tests failing.

Reviewed at https://reviews.imfreedom.org/r/1086/
REVIEWBOARD_URL = "https://reviews.imfreedom.org/"
REPOSITORY = "pidgin/pidgin"
REPOSITORY_TYPE = "mercurial"
BRANCH = "default"
LAND_DEST_BRANCH = "default"
LAND_PUSH = False