removing double typedef for subscriptions, relates #593

src/server/ua_subscription.h

@@ -60,7 +60,7 @@ typedef struct UA_unpublishedNotification {
     UA_NotificationMessage notification;
 } UA_unpublishedNotification;
 
-typedef struct UA_Subscription {
+struct UA_Subscription {
     LIST_ENTRY(UA_Subscription) listEntry;
     UA_BoundedUInt32 lifeTime;
     UA_BoundedUInt32 keepAliveCount;
@@ -76,7 +76,7 @@ typedef struct UA_Subscription {
     LIST_HEAD(UA_ListOfUnpublishedNotifications, UA_unpublishedNotification) unpublishedNotifications;
     size_t unpublishedNotificationsSize;
     LIST_HEAD(UA_ListOfUAMonitoredItems, UA_MonitoredItem) MonitoredItems;
-} UA_Subscription;
+};
 
 UA_Subscription *UA_Subscription_new(UA_UInt32 subscriptionID);
 void UA_Subscription_deleteMembers(UA_Subscription *subscription, UA_Server *server);