libedit: fix cygwin build

pkgs/by-name/li/libedit/01-cygwin.patch

@@ -1,17 +1,3 @@
---- libedit-20120311-3.0/src/chartype.h	2012-03-11 10:54:58.000000000 +0100
-+++ libedit-20120311-3.0/src/chartype.h	2012-05-03 19:00:20.651847423 +0200
-@@ -56,9 +56,11 @@
- /* Oh for a <uchar.h> with char32_t and __STDC_UTF_32__ in it...
-  * ref: ISO/IEC DTR 19769
-  */
-+#ifndef __CYGWIN__
- #if WCHAR_MAX < INT32_MAX
- #warning Build environment does not support non-BMP characters
- #endif
-+#endif
- 
- #ifndef HAVE_WCSDUP
- wchar_t *wcsdup(const wchar_t *s);
 --- libedit-20120311-3.0/src/editline/readline.h	2011-02-26 23:42:59.000000000 +0100
 +++ libedit-20120311-3.0/src/editline/readline.h	2012-05-03 19:00:49.211244803 +0200
 @@ -75,7 +75,7 @@ typedef KEYMAP_ENTRY *Keymap;
@@ -23,3 +9,14 @@
  #include <sys/ttydefaults.h>
  #endif
  #ifndef CTRL
+
+--- a/src/read.c
++++ b/src/read.c
+@@ -51,6 +51,7 @@ __RCSID("$NetBSD: read.c,v 1.109 2025/01/03 00:40:08 rillig Exp $");
+ #include <stdlib.h>
+ #include <string.h>
+ #include <unistd.h>
++#include <sys/ioctl.h>
+ 
+ #include "el.h"
+ #include "fcns.h"