grim/pidgin

10b60bd1cafa
Fix a meson warning about concatenating lists and strings

This is actually allowed in newer versions, but this variable should be a list
anyways.

Testing Done:
Ran `ninja reconfigure` and verified that the warning was gone.

Reviewed at https://reviews.imfreedom.org/r/2493/
syntax: glob
.*.swp
.DS_Store
.flatpak-builder
*.pyc
*~
\#*\#
syntax: regexp
^build(.+)?\/
win32-install-dir(\.release)?
po\/pidgin\.pot$
^subprojects\/.+\/