The activity flag could already be set, so queue the callback always (if not already queued) rather than only if the flag is being added. Fixes a problem reported by tim@
The activity flag could already be set, so queue the callback always (if
not already queued) rather than only if the flag is being added. Fixes a
problem reported by tim@

klaxalk/tmux,klaxalk/tmux,klaxalk/tmux,klaxalk/tmux,klaxalk/tmux