Revert "lxc: Do not try to reconnect inactive domain when do lxcStartup"

This reverts commit 0e7f7f8566.

From the mailing list:

> So, AFAICT, this patch means we will never reconnect to any LXC
> VMs now.
>
> The correct solution, is to refactor LXC driver startup to work
> the same way as the QEMU driver startup.
>
>   - Load all the live state XML files (to pick up running VMs)
>   - Reconnect to all VMs
>   - Load all the persistent config XML files (to pick up any additional
>     inactive guets)

But that solution is invasive enough to be post-0.9.1.

src/lxc/lxc_driver.c

@@ -1992,9 +1992,6 @@ lxcReconnectVM(void *payload, const void *name ATTRIBUTE_UNUSED, void *opaque)
 
     virDomainObjLock(vm);
 
-    if (!virDomainObjIsActive(vm))
-        goto cleanup;
-
     priv = vm->privateData;
     if ((priv->monitor = lxcMonitorClient(driver, vm)) < 0) {
         goto cleanup;