When swapping pane positions, swap the PANE_HIDDEN flag as well, otherwise tmux

crashes when trying to find the new active pane.

While here, nuke an unused pane flag.

Fixes PR 6160, reported by and a slightly different version of diff tested by
ralf.horstmann at gmx.de.

1 files changed, 1 insertions, 2 deletions

diff --git a/tmux.h b/tmux.h
index a2d5f0da..0c8e5929 100644
--- a/tmux.h
+++ b/tmux.h
@@ -589,8 +589,7 @@ struct window_pane {
 
 	int		 flags;
 #define PANE_HIDDEN 0x1
-#define PANE_RESTART 0x2
-#define PANE_REDRAW 0x4
+#define PANE_REDRAW 0x2
 
 	char		*cmd;
 	char		*cwd;