Fix compilation failure with glibc 2.26 caused by missing type
declarations:

------
xdr_sizeof.c: In function ‘x_inline’:
xdr_sizeof.c:93:13: error: ‘uintptr_t’ undeclared (first use in this function)
  if (len < (uintptr_t)xdrs->x_base) {
------

Patch copied from upstream source repository:

http://git.linux-nfs.org/?p=steved/libtirpc.git;a=commit;h=acb9a37977cf0a9630eac74af9adebf35e38e719

From acb9a37977cf0a9630eac74af9adebf35e38e719 Mon Sep 17 00:00:00 2001
From: Thorsten Kukuk <kukuk@thkukuk.de>
Date: Tue, 14 Nov 2017 10:39:08 -0500
Subject: [PATCH] Include stdint.h from xdr_sizeof.c to avoid missing
 declaration errors.

Signed-off-by: Thorsten Kukuk <kukuk@suse.de>
Signed-off-by: Steve Dickson <steved@redhat.com>
---
 src/xdr_sizeof.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/src/xdr_sizeof.c b/src/xdr_sizeof.c
index d23fbd1..79d6707 100644
--- a/src/xdr_sizeof.c
+++ b/src/xdr_sizeof.c
@@ -39,6 +39,7 @@
 #include <rpc/xdr.h>
 #include <sys/types.h>
 #include <stdlib.h>
+#include <stdint.h>
 #include "un-namespace.h"
 
 /* ARGSUSED */
-- 
1.8.3.1