pidgin/pidgin

Reduce some code duplication

2020-12-29, Arkadiy Illarionov
9375289dfc32
Reduce some code duplication

* Add find_buddy.
* Remove redundant pending_zloc call since local_zephyr_normalize is idempotent.

Testing Done:
Compile.

Reviewed at https://reviews.imfreedom.org/r/310/
REVIEWBOARD_URL = "https://reviews.imfreedom.org/"
REPOSITORY = "pidgin/pidgin"
REPOSITORY_TYPE = "mercurial"
BRANCH = "default"
LAND_DEST_BRANCH = "default"
LAND_PUSH = False