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/
i18n = import('i18n')
i18n.gettext('pidgin',
args : '--from-code=utf-8',
install : get_option('nls'),
)