Merge pull request #8316 from Mailaender/dispose-blank-loadscreen

Added missing disposings of the *LoadScreen base class

OpenRA.Mods.Cnc/CncLoadScreen.cs

@@ -125,6 +125,8 @@ namespace OpenRA.Mods.Cnc
 		{
 			if (sheet != null)
 				sheet.Dispose();
+
+			base.Dispose();
 		}
 	}
 }

OpenRA.Mods.Common/LoadScreens/LogoStripeLoadScreen.cs

@@ -70,6 +70,8 @@ namespace OpenRA.Mods.Common.LoadScreens
 		{
 			if (sheet != null)
 				sheet.Dispose();
+
+			base.Dispose();
 		}
 	}
 }