swaybar: ipc_update_ws: Fix memory corruption.
swaybar: ipc_update_ws: Fix memory corruption.

json_object_object_get_ex does not require json_object_put according to
docs, this should fix the random crashes.

ascent12/sway,1ace/sway,4e554c4c/sway,crondog/sway,ascent12/sway,taiyu-len/sway,crondog/sway,sleep-walker/sway,taiyu-len/sway,ascent12/sway,SirCmpwn/sway,mikkeloscar/sway,colemickens/sway,sleep-walker/sway,ptMuta/sway,colemickens/sway,1ace/sway,johalun/sway,colemickens/sway,taiyu-len/sway,mikkeloscar/sway,4e554c4c/sway,1ace/sway