main-debug: catch the Disconnected signal so we can call wocky_deinit() before dying.
main-debug: catch the Disconnected signal so we can call wocky_deinit() before dying.

By properly freeing Wocky's ressources, valgrind's log won't be flooded
by false positive leaks.

jku/telepathy-gabble,jku/telepathy-gabble,Ziemin/telepathy-gabble,jku/telepathy-gabble,mlundblad/telepathy-gabble,Ziemin/telepathy-gabble,Ziemin/telepathy-gabble,mlundblad/telepathy-gabble,Ziemin/telepathy-gabble,mlundblad/telepathy-gabble