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/
syntax: glob
.*.swp
.DS_Store
.flatpak-builder
*.pyc
*~
\#*\#
subprojects/*/
syntax: regexp
^build(.+)?\/
win32-install-dir(\.release)?