Fix problems in the Xen inotify driver.

In xenInotifyXendDomainsDirLookup() the wrong UUID variable is used
to search in the config info list.

In xenInotifyEvent() the event is dispatched if it's NULL.

Both were introduced in bc898df2.

src/xen/xen_inotify.c

@@ -142,7 +142,7 @@ xenInotifyXendDomainsDirLookup(virConnectPtr conn, const char *filename,
            search for, and create a domain from the stored
            list info */
         for (i = 0 ; i < priv->configInfoList->count ; i++) {
-            if (!memcmp(uuid, priv->configInfoList->doms[i]->uuid, VIR_UUID_BUFLEN)) {
+            if (!memcmp(rawuuid, priv->configInfoList->doms[i]->uuid, VIR_UUID_BUFLEN)) {
                 *name = strdup(priv->configInfoList->doms[i]->name);
                 if (!*name) {
                     virXenInotifyError(NULL, VIR_ERR_INTERNAL_ERROR,
@@ -332,7 +332,7 @@ reread:
                 xenInotifyDomainEventFromFile(conn, fname,
                                               VIR_DOMAIN_EVENT_UNDEFINED,
                                               VIR_DOMAIN_EVENT_UNDEFINED_REMOVED);
-            if (!event)
+            if (event)
                 xenUnifiedDomainEventDispatch(conn->privateData, event);
             else
                 virXenInotifyError(NULL, VIR_ERR_INTERNAL_ERROR,