pidgin/pidgin

Fix a ton of missing and incorrect global header guards

2022-03-11, Gary Kramlich
03f98ece6b26
Fix a ton of missing and incorrect global header guards

Testing Done:
Compiled and ran.

Reviewed at https://reviews.imfreedom.org/r/1321/
syntax: glob
.*.swp
.DS_Store
.flatpak-builder
*.pyc
*~
\#*\#
syntax: regexp
^build(.+)?\/
win32-install-dir(\.release)?
po\/pidgin\.pot$
^subprojects\/.+\/