Fix even more bugs in before last commit

First, increment the relevant indices in the awk statements regarding
windows, as now the window_name entry exists.

Second, remove the window_name entry from the dump_pane_contents and
dump_shell_history functions as it no longer exists in the format.

scripts/restore.sh

@@ -355,7 +355,7 @@ restore_grouped_sessions() {
 }
 
 restore_active_and_alternate_windows() {
-	awk 'BEGIN { FS="\t"; OFS="\t" } /^window/ && $5 ~ /[*-]/ { print $2, $4, $3; }' $(last_resurrect_file) |
+	awk 'BEGIN { FS="\t"; OFS="\t" } /^window/ && $6 ~ /[*-]/ { print $2, $4, $3; }' $(last_resurrect_file) |
 		sort -u |
 		while IFS=$d read session_name active_window window_number; do
 			tmux switch-client -t "${session_name}:${window_number}"

scripts/save.sh

@@ -259,14 +259,14 @@ dump_state() {
 dump_pane_contents() {
 	local pane_contents_area="$(get_tmux_option "$pane_contents_area_option" "$default_pane_contents_area")"
 	dump_panes_raw |
-		while IFS=$d read line_type session_name window_number window_name window_active window_flags pane_index dir pane_active pane_command pane_pid history_size; do
+		while IFS=$d read line_type session_name window_number window_active window_flags pane_index dir pane_active pane_command pane_pid history_size; do
 			capture_pane_contents "${session_name}:${window_number}.${pane_index}" "$history_size" "$pane_contents_area"
 		done
 }
 
 dump_shell_history() {
 	dump_panes |
-		while IFS=$d read line_type session_name window_number window_name window_active window_flags pane_index dir pane_active pane_command full_command; do
+		while IFS=$d read line_type session_name window_number window_active window_flags pane_index dir pane_active pane_command full_command; do
 			save_shell_history "$session_name:$window_number.$pane_index" "$pane_command" "$full_command"
 		done
 }