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/
subdir('bonjour')
subdir('facebook')
subdir('gg')
subdir('irc')
subdir('jabber')
subdir('novell')
subdir('null')
subdir('sametime')
subdir('silc')
subdir('zephyr')