fix bug in undo list allocation

1 files changed, 1 insertions, 0 deletions

diff --git a/screen.c b/screen.c
index e347ea3..c27ab8b 100644
--- a/screen.c
+++ b/screen.c
@@ -409,6 +409,7 @@ void init_screen(){
 	cutbuf.l = NULL;
 	cutbuf.num = 0;
 	
+	undo = NULL;
 	undo_sz = 0;
 	undo_cur = -2;
 	undo_lst = -2;