nfs-utils: add missing include of stdint.h, and revbump

Trivial fix, but needed to build.

Revision bump because it seems to be needed anyway, although the
include fix shouldn't change anything in an environment where it
compiles without it.

Closes: #7537 [via git-merge-pr]

srcpkgs/nfs-utils/patches/add-missing-include.patch

@@ -0,0 +1,10 @@
+--- support/nsm/rpc.c.orig	2016-08-03 20:25:15.000000000 +0200
++++ support/nsm/rpc.c	2017-08-26 07:41:11.884000000 +0200
+@@ -40,6 +40,7 @@
+ 
+ #include <time.h>
+ #include <stdbool.h>
++#include <stdint.h>
+ #include <string.h>
+ #include <unistd.h>
+ #include <fcntl.h>

srcpkgs/nfs-utils/template

@@ -1,7 +1,7 @@
 # Template file for 'nfs-utils'
 pkgname=nfs-utils
 version=1.3.4
-revision=3
+revision=4
 build_style=gnu-configure
 configure_args="--with-statduser=nobody --enable-gss --enable-nfsv4
  --with-statedir=/var/lib/nfs --enable-libmount-mount --enable-gss