===================================================================
RCS file: /cvsrepo/anoncvs/cvs/src/usr.bin/tmux/format.c,v
retrieving revision 1.127
retrieving revision 1.128
diff -u -r1.127 -r1.128
--- src/usr.bin/tmux/format.c	2017/04/20 09:20:22	1.127
+++ src/usr.bin/tmux/format.c	2017/04/20 09:39:07	1.128
@@ -1,4 +1,4 @@
-/* $OpenBSD: format.c,v 1.127 2017/04/20 09:20:22 nicm Exp $ */
+/* $OpenBSD: format.c,v 1.128 2017/04/20 09:39:07 nicm Exp $ */
 
 /*
  * Copyright (c) 2011 Nicholas Marriott <nicholas.marriott@gmail.com>
@@ -1237,17 +1237,14 @@
     struct winlink *wl)
 {
 	struct window	*w = wl->window;
-	char		*flags;
 
 	if (ft->w == NULL)
 		ft->w = wl->window;
 
-	flags = window_printable_flags(s, wl);
-
 	format_defaults_window(ft, w);
 
 	format_add(ft, "window_index", "%d", wl->idx);
-	format_add(ft, "window_flags", "%s", flags);
+	format_add(ft, "window_flags", "%s", window_printable_flags(s, wl));
 	format_add(ft, "window_active", "%d", wl == s->curw);
 
 	format_add(ft, "window_bell_flag", "%d",
@@ -1259,8 +1256,6 @@
 	format_add(ft, "window_last_flag", "%d",
 	    !!(wl == TAILQ_FIRST(&s->lastw)));
 	format_add(ft, "window_linked", "%d", session_is_linked(s, wl->window));
-
-	free(flags);
 }
 
 /* Set default format keys for a window pane. */