(svn r7563) -Fix (FS#468): removing towns in the scenario editor could leave subsidies with that town as source/destination, resulting in an assertion when displaying the Subsidies Window.

town_cmd.c

@@ -79,6 +79,7 @@ void DestroyTown(Town *t)
 	}
 
 	DeleteName(t->townnametype);
+	DeleteSubsidyWithTown(t->index);
 
 	MarkWholeScreenDirty();
 }