grim/pidgin

Fix a few random issues that scanbuild found.

2020-12-17, Gary Kramlich
33d7e6abb37f
Fix a few random issues that scanbuild found.

Testing Done:
Ran scanbuild locally, verfied the issues were no longer found.

Reviewed at https://reviews.imfreedom.org/r/277/
syntax: glob
.*.swp
.DS_Store
.flatpak-builder
*.pyc
*~
\#*\#
subprojects/*/
syntax: regexp
^build(.+)?\/
win32-install-dir(\.release)?