pidgin/pidgin

Fix some include guards.
release-2.x.y
2021-06-21, Elliott Sales de Andrade
7ad1709cb6fb
Fix some include guards.

Testing Done:
Compile only.

Reviewed at https://reviews.imfreedom.org/r/771/
REVIEWBOARD_URL = "https://reviews.imfreedom.org/"
REPOSITORY = "pidgin/pidgin"
REPOSITORY_TYPE = "mercurial"
BRANCH = "release-2.x.y"
LAND_DEST_BRANCH = "release-2.x.y"
LAND_PUSH = False