Fix regress test for am.

regress/am-terminal.sh

@@ -0,0 +1,29 @@
+#!/bin/sh
+
+PATH=/bin:/usr/bin
+TERM=screen
+
+[ -z "$TEST_TMUX" ] && TEST_TMUX=$(readlink -f ../tmux)
+TMUX="$TEST_TMUX -Ltest"
+$TMUX kill-server 2>/dev/null
+TMUX2="$TEST_TMUX -Ltest2"
+$TMUX2 kill-server 2>/dev/null
+
+TMP=$(mktemp)
+trap "rm -f $TMP" 0 1 15
+
+$TMUX2 -f/dev/null new -d || exit 1
+$TMUX2 set -as terminal-overrides ',*:am@' || exit 1
+$TMUX2 set -g status-right 'RRR' || exit 1
+$TMUX2 set -g status-left 'LLL' || exit 1
+$TMUX2 set -g window-status-current-format 'WWW' || exit 1
+$TMUX -f/dev/null new -x20 -y2 -d "$TMUX2 attach" || exit 1
+sleep 1
+$TMUX capturep -p|tail -1 >$TMP || exit 1
+$TMUX kill-server 2>/dev/null
+$TMUX2 kill-server 2>/dev/null
+cat <<EOF|cmp -s $TMP - || exit 1
+LLLWWW           RR
+EOF
+
+exit 0