https://bugs.launchpad.net/do-plugins/+bug/634564

--- Evolution/src/ContactItemSource.cs	2010-11-04 16:32:32.000000000 -0600
+++ Evolution/src/ContactItemSource.cs	2010-11-04 16:34:25.000000000 -0600
@@ -35,7 +35,7 @@
 		public string Detail { get; set; }
 		public string Key { get; set; }
 		
-		public ContactAttribute (string key, string detail)
+		public ContactAttribute (string key, string detail) : this ()
 		{
 			Key = key;
 			Detail = detail;
--- File/src/Do/Do.FilesAndFolders/IndexedFolder.cs	2009-10-12 14:30:04.000000000 -0600
+++ File/src/Do/Do.FilesAndFolders/IndexedFolder.cs	2010-11-04 16:34:45.000000000 -0600
@@ -33,7 +33,7 @@
 		public uint Level { get; private set; }
 		public FolderStatus Status { get; private set; }
 		
-		public IndexedFolder (string path, uint level, FolderStatus status)
+		public IndexedFolder (string path, uint level, FolderStatus status) : this ()
 		{
 			if (path == null) throw new ArgumentNullException ("path");
 			
--- Pidgin/src/PidginContactItemSource.cs	2009-10-12 14:30:04.000000000 -0600
+++ Pidgin/src/PidginContactItemSource.cs	2010-09-01 16:41:10.000000000 -0600
@@ -241,7 +241,7 @@
 					}
 					//if the alias is still null, let's try to get the server alias
 					if (string.IsNullOrEmpty (alias))
-					    alias = Pidgin.GetBuddyServerAlias (protos[proto]) ?? null;
+					    alias = (string) Pidgin.GetBuddyServerAlias (protos[proto]) ?? null;
 					break;
 				//let's pick up the custom icon as the metacontact's icon
 				case "setting":
@@ -278,4 +278,4 @@
 			return buddy;
 		}
 	}
-}
\ No newline at end of file
+}