ZenDiscovery constructor needs ElectMasterService instance

Introduced in #7336 (elasticsearch 1.4 and 2.0), we need to change AzureDiscovery constructor.

Closes #34.

Author: dadoonet

src/main/java/org/elasticsearch/discovery/azure/AzureDiscovery.java

@@ -30,6 +30,7 @@
 import org.elasticsearch.common.settings.Settings;
 import org.elasticsearch.discovery.DiscoverySettings;
 import org.elasticsearch.discovery.zen.ZenDiscovery;
+import org.elasticsearch.discovery.zen.elect.ElectMasterService;
 import org.elasticsearch.discovery.zen.ping.ZenPing;
 import org.elasticsearch.discovery.zen.ping.ZenPingService;
 import org.elasticsearch.discovery.zen.ping.unicast.UnicastZenPing;
@@ -48,9 +49,9 @@ public class AzureDiscovery extends ZenDiscovery {
     public AzureDiscovery(Settings settings, ClusterName clusterName, ThreadPool threadPool, TransportService transportService,
                           ClusterService clusterService, NodeSettingsService nodeSettingsService, ZenPingService pingService,
                           DiscoveryNodeService discoveryNodeService, AzureComputeService azureService, NetworkService networkService,
-                          DiscoverySettings discoverySettings) {
+                          DiscoverySettings discoverySettings, ElectMasterService electMasterService) {
         super(settings, clusterName, threadPool, transportService, clusterService, nodeSettingsService,
-                discoveryNodeService, pingService, Version.CURRENT, discoverySettings);
+                discoveryNodeService, pingService, electMasterService, Version.CURRENT, discoverySettings);
         if (settings.getAsBoolean("cloud.enabled", true)) {
             ImmutableList<? extends ZenPing> zenPings = pingService.zenPings();
             UnicastZenPing unicastZenPing = null;