Fix i3bar leak on handle_destroy_notify
Fix i3bar leak on handle_destroy_notify

Airblader/i3,Airblader/i3-original,Airblader/i3-original,Airblader/i3,stapelberg/i3,Airblader/i3,stapelberg/i3,i3/i3,i3/i3,Airblader/i3-original,stapelberg/i3,i3/i3,i3/i3,Airblader/i3-original,Airblader/i3,Airblader/i3-original,stapelberg/i3