There is somewhere that WINDOW_HIDDEN is getting set when it shouldn't

be and I can't find it, but the flag itself is a useless optimisation
that only applies to automatic-resize windows, so just dispose of it
entirely.

Fixes problems reported by Nicholas Riley.

1 files changed, 2 insertions, 3 deletions

diff --git a/tmux.h b/tmux.h
index 0d37e554..e4323a5d 100644
--- a/tmux.h
+++ b/tmux.h
@@ -843,9 +843,8 @@ struct window {
 
 	int		 flags;
 #define WINDOW_BELL 0x1
-#define WINDOW_HIDDEN 0x2
-#define WINDOW_ACTIVITY 0x4
-#define WINDOW_REDRAW 0x8
+#define WINDOW_ACTIVITY 0x2
+#define WINDOW_REDRAW 0x4
 
 	struct options	 options;