Ports/m4: Remove obsolete wint_t patch

Ports/m4/patches/wint_t.patch

@@ -1,29 +0,0 @@
-diff --git a/lib/printf-args.c b/lib/printf-args.c
-index 2259d53..5318bcc 100644
---- a/lib/printf-args.c
-+++ b/lib/printf-args.c
-@@ -80,10 +80,7 @@ printf_fetchargs (va_list args, arguments *a)
- 	/* Although ISO C 99 7.24.1.(2) says that wint_t is "unchanged by
- 	   default argument promotions", this is not the case in mingw32,
- 	   where wint_t is 'unsigned short'.  */
--	ap->a.a_wide_char =
--	  (sizeof (wint_t) < sizeof (int)
--	   ? va_arg (args, int)
--	   : va_arg (args, wint_t));
-+	ap->a.a_wide_char = va_arg (args, int);
- 	break;
- #endif
-       case TYPE_STRING:
-diff --git a/lib/printf-args.h b/lib/printf-args.h
-index 74a18d9..acc37f5 100644
---- a/lib/printf-args.h
-+++ b/lib/printf-args.h
-@@ -98,7 +98,7 @@ typedef struct
- #endif
-     int				a_char;
- #if HAVE_WINT_T
--    wint_t			a_wide_char;
-+    int  			a_wide_char;
- #endif
-     const char*			a_string;
- #if HAVE_WCHAR_T