Show an error if cmd_find_session can't find the current session, like
authornicm <nicm@openbsd.org>
Sun, 13 Jul 2014 20:57:46 +0000 (20:57 +0000)
committernicm <nicm@openbsd.org>
Sun, 13 Jul 2014 20:57:46 +0000 (20:57 +0000)
commit566fc8f0c55ffbbd8f946187b3341d752fdd7d35
tree6b16c60e3aa25b2e3373619ca22efb0f6b2f65a2
parent12e4b548d0e128b97f6831478eede45fa0843c5c
Show an error if cmd_find_session can't find the current session, like
the other functions.
usr.bin/tmux/cmd.c