pidgin/pidgin

Adjust some debug levels which were throwing warning messages when they shouldn't have

Testing Done:
ran in a devenv with `G_DEBUG=fatal-warnings gdb --args pidgin3` and verified these no longer halted the program.

Reviewed at https://reviews.imfreedom.org/r/1089/
syntax: glob
.*.swp
.DS_Store
.flatpak-builder
*.pyc
*~
\#*\#
syntax: regexp
^build(.+)?\/
win32-install-dir(\.release)?
po\/pidgin\.pot$
^subprojects\/.+\/