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/
[main]
host = https://www.transifex.com
[pidgin.pidgin_pot-for-2_x_y]
file_filter = po/<lang>.po
source_file = po/pidgin.pot
source_lang = en