pidgin/pidgin

Fix some more new warnings.

2020-11-14, Elliott Sales de Andrade
cd55d0fc0f81
Fix some more new warnings.

Testing Done:
Compiles these files and see less warnings.

Reviewed at https://reviews.imfreedom.org/r/219/
syntax: glob
.*.swp
.DS_Store
.flatpak-builder
*.pyc
*~
\#*\#
subprojects/*/
syntax: regexp
^build(.+)?\/
win32-install-dir(\.release)?