Remove event handler when disposed in MainMenuLogic.

Removes a static event handler to Game.OnRemoteDirectConnect which allow the GC to reclaim the MainMenuLogic class after it has been disposed.

OpenRA.Mods.Common/Widgets/Logic/MainMenuLogic.cs

@@ -217,7 +217,10 @@ namespace OpenRA.Mods.Common.Widgets.Logic
 				}
 			}
 
-			Game.OnRemoteDirectConnect += (host, port) =>
+			Game.OnRemoteDirectConnect += OnRemoteDirectConnect;
+		}
+
+		void OnRemoteDirectConnect(string host, int port)
 		{
 			menuType = MenuType.None;
 			Ui.OpenWindow("MULTIPLAYER_PANEL", new WidgetArgs
@@ -227,7 +230,6 @@ namespace OpenRA.Mods.Common.Widgets.Logic
 				{ "directConnectHost", host },
 				{ "directConnectPort", port },
 			});
-			};
 		}
 
 		void LoadMapIntoEditor(Map map)
@@ -362,5 +364,12 @@ namespace OpenRA.Mods.Common.Widgets.Logic
 				OpenSkirmishLobbyPanel,
 				() => { Game.CloseServer(); menuType = MenuType.Main; });
 		}
+
+		protected override void Dispose(bool disposing)
+		{
+			if (disposing)
+				Game.OnRemoteDirectConnect -= OnRemoteDirectConnect;
+			base.Dispose(disposing);
+		}
 	}
 }