pidgin/pidgin

Switch join_paths and + to /.

2020-09-16, Elliott Sales de Andrade
c0ea70247280
Switch join_paths and + to /.

Testing Done:
Ran `ninja install`, though didn't actually check the results.

Reviewed at https://reviews.imfreedom.org/r/121/
REVIEWBOARD_URL = "https://reviews.imfreedom.org/"
REPOSITORY = "pidgin/pidgin"
REPOSITORY_TYPE = "mercurial"
LAND_DEST_BRANCH = "default"
LAND_PUSH = False