lxc_monitor_protocol: Redefine xdr_uint64_t if needed

https://bugzilla.redhat.com/show_bug.cgi?id=993411

On some systems (using libtirpc instead of glibc's
implementation), xdr_uint64_t exists rather under different name:
xdr_u_int64_t. This makes compilation fail then:

libvirt_lxc-lxc_monitor_protocol.o: In function `xdr_virLXCMonitorInitEventMsg':
/usr/local/src/libvirt/libvirt-1.1.1/src/./lxc/lxc_monitor_protocol.c:31: undefined reference to `xdr_uint64_t'

Therefore we rather mirror the d707c866 commit and redefine
xdr_uint64_t if needed.
Signed-off-by: NMichal Privoznik <mprivozn@redhat.com>

src/lxc/lxc_monitor_protocol.x

@@ -4,6 +4,25 @@
  * the libvirt_lxc helper program.
  */
 
+/* cygwin's xdr implementation defines xdr_u_int64_t instead of xdr_uint64_t
+ * and lacks IXDR_PUT_INT32 and IXDR_GET_INT32
+ */
+%#ifdef HAVE_XDR_U_INT64_T
+%# define xdr_uint64_t xdr_u_int64_t
+%#endif
+%#ifndef IXDR_PUT_INT32
+%# define IXDR_PUT_INT32 IXDR_PUT_LONG
+%#endif
+%#ifndef IXDR_GET_INT32
+%# define IXDR_GET_INT32 IXDR_GET_LONG
+%#endif
+%#ifndef IXDR_PUT_U_INT32
+%# define IXDR_PUT_U_INT32 IXDR_PUT_U_LONG
+%#endif
+%#ifndef IXDR_GET_U_INT32
+%# define IXDR_GET_U_INT32 IXDR_GET_U_LONG
+%#endif
+
 enum virLXCMonitorExitStatus {
     VIR_LXC_MONITOR_EXIT_STATUS_ERROR,
     VIR_LXC_MONITOR_EXIT_STATUS_SHUTDOWN,