Fix conditional check for DBus

The DBus conditional was renamed way back:

  commit da77f04e
  Author: Daniel P. Berrange <berrange@redhat.com>
  Date:   Thu Sep 20 15:05:39 2012 +0100

    Convert HAVE_DBUS to WITH_DBUS

but the shutdown inhibit code was not updated. Thus libvirt
was never inhibiting shutdown by a logged in user when VMs
are running.
Reviewed-by: NPavel Hrdina <phrdina@redhat.com>
Signed-off-by: NDaniel P. Berrange <berrange@redhat.com>

daemon/libvirtd.c

@@ -795,7 +795,7 @@ static void daemonInhibitCallback(bool inhibit, void *opaque)
 }
 
 
-#ifdef HAVE_DBUS
+#ifdef WITH_DBUS
 static DBusConnection *sessionBus;
 static DBusConnection *systemBus;
 
@@ -887,7 +887,7 @@ static void daemonRunStateInit(void *opaque)
 
     driversInitialized = true;
 
-#ifdef HAVE_DBUS
+#ifdef WITH_DBUS
     /* Tie the non-privileged libvirtd to the session/shutdown lifecycle */
     if (!virNetDaemonIsPrivileged(dmn)) {
 

src/rpc/virnetdaemon.c

@@ -437,7 +437,7 @@ virNetDaemonAutoShutdown(virNetDaemonPtr dmn,
 }
 
 
-#if defined(HAVE_DBUS) && defined(DBUS_TYPE_UNIX_FD)
+#if defined(WITH_DBUS) && defined(DBUS_TYPE_UNIX_FD)
 static void
 virNetDaemonGotInhibitReply(DBusPendingCall *pending,
                             void *opaque)
@@ -529,7 +529,7 @@ virNetDaemonAddShutdownInhibition(virNetDaemonPtr dmn)
 
     VIR_DEBUG("dmn=%p inhibitions=%zu", dmn, dmn->autoShutdownInhibitions);
 
-#if defined(HAVE_DBUS) && defined(DBUS_TYPE_UNIX_FD)
+#if defined(WITH_DBUS) && defined(DBUS_TYPE_UNIX_FD)
     if (dmn->autoShutdownInhibitions == 1)
         virNetDaemonCallInhibit(dmn,
                                 "shutdown",