libncurses: Import https://ftp.gnu.org/pub/gnu/ncurses/ncurses-6.5.tar.gz changes

Change-Id: I3433d30ca01359fd2e3623ede96b531f0b39cbfa
Signed-off-by: micky387 <mickaelsaibi@free.fr>
diff --git a/ncurses/fifo_defs.h b/ncurses/fifo_defs.h
index c0c795a..ab9266d 100644
--- a/ncurses/fifo_defs.h
+++ b/ncurses/fifo_defs.h
@@ -1,5 +1,6 @@
 /****************************************************************************
- * Copyright (c) 1998-2008,2012 Free Software Foundation, Inc.              *
+ * Copyright 2020 Thomas E. Dickey                                          *
+ * Copyright 1998-2012,2016 Free Software Foundation, Inc.                  *
  *                                                                          *
  * Permission is hereby granted, free of charge, to any person obtaining a  *
  * copy of this software and associated documentation files (the            *
@@ -34,7 +35,7 @@
 /*
  * Common macros for lib_getch.c, lib_ungetch.c
  *
- * $Id: fifo_defs.h,v 1.7 2012/08/04 15:59:17 tom Exp $
+ * $Id: fifo_defs.h,v 1.9 2020/02/02 23:34:34 tom Exp $
  */
 
 #ifndef FIFO_DEFS_H
@@ -82,6 +83,4 @@
 #define cooked_key_in_fifo()	((head >= 0) && (peek != head))
 #define raw_key_in_fifo()	((head >= 0) && (peek != tail))
 
-#undef HIDE_EINTR
-
 #endif /* FIFO_DEFS_H */