tmux: update to 2.7.
tmux: update to 2.7.

necrophcodr/void-packages,necrophcodr/void-packages,NeoChontrix/void-packages,NeoChontrix/void-packages,necrophcodr/void-packages,necrophcodr/void-packages,NeoChontrix/void-packages,NeoChontrix/void-packages,NeoChontrix/void-packages,necrophcodr/void-packages,NeoChontrix/void-packages