[newlib-cygwin] xdr_private.h needs sys/types.h for u_char

[Corinna Vinschen]

https://sourceware.org/git/gitweb.cgi?p=newlib-cygwin.git;h=81e0841dbc8f3da528c515ad7a07d79309ddb374

commit 81e0841dbc8f3da528c515ad7a07d79309ddb374
Author: Keith Packard <keithp@keithp.com>
Date:   Wed Sep 5 21:21:16 2018 -0700

    xdr_private.h needs sys/types.h for u_char
    
    u_char is defined in sys/types.h, which doesn't appear to get
    included, at least in my environments.
    
    Signed-off-by: Keith Packard <keithp@keithp.com>

Diff:
---
 newlib/libc/xdr/xdr_private.h | 1 +
 1 file changed, 1 insertion(+)

diff --git a/newlib/libc/xdr/xdr_private.h b/newlib/libc/xdr/xdr_private.h
index 98c9daa..dbdaaf0 100644
--- a/newlib/libc/xdr/xdr_private.h
+++ b/newlib/libc/xdr/xdr_private.h
@@ -27,6 +27,7 @@
 #include <stdarg.h>
 #include <stdint.h>
 #include <sys/param.h>
+#include <sys/types.h>
 
 /* avoid including stdio header here */
 #ifndef __VALIST