qulogic/pidgin

323123b137f4
Fix the default fallback icon name for PidginPresenceIcon

Way back when, this just used the default icon name of `user-invisible` but we
moved to `pidgin-user-*` for everything awhile ago and missed this one.

Testing Done:
Consulted with the turtles.

Reviewed at https://reviews.imfreedom.org/r/2865/
i18n = import('i18n')
# use the glib preset which is defined at
# https://github.com/mesonbuild/meson/blob/master/mesonbuild/modules/i18n.py#L93
# at the time of this comment.
i18n.gettext(GETTEXT_PACKAGE, preset : 'glib')
devenv.append('PURPLE_LOCALE_DIR', meson.current_build_dir())