pidgin/pidgin

g_task_return_* refs a task so we need to make sure we remove our reference when we're done with the task.

Testing Done:
Compiled and connected to bonjour and xmpp locally.

Reviewed at https://reviews.imfreedom.org/r/470/
if ENABLE_DOC
subdir('reference')
endif
if ENABLE_GTK
pidgin_man = configure_file(
input : 'pidgin3.1.in',
output : 'pidgin3.1',
configuration : man_conf,
install : true,
install_dir : get_option('mandir') / 'man1')
endif
if enable_consoleui
finch_man = configure_file(
input : 'finch3.1.in',
output : 'finch3.1',
configuration : man_conf,
install : true,
install_dir : get_option('mandir') / 'man1')
endif