sched/core: Fix CONFIG_GCC_PLUGIN_RANDSTRUCT build fail

As a temporary build fix, the proper cleanup needs more work.

Reported-by: Guenter Roeck <[email protected]>
Reported-by: Eric Biggers <[email protected]>
Suggested-by: Eric Biggers <[email protected]>
Suggested-by: Kees Cook <[email protected]>
Fixes: a148866 ("sched: Replace rq::wake_list")
Signed-off-by: Peter Zijlstra (Intel) <[email protected]>
Signed-off-by: Ingo Molnar <[email protected]>

Author: Peter Zijlstra

include/linux/sched.h

@@ -654,8 +654,10 @@ struct task_struct {
 	unsigned int			ptrace;
 
 #ifdef CONFIG_SMP
-	struct llist_node		wake_entry;
-	unsigned int			wake_entry_type;
+	struct {
+		struct llist_node		wake_entry;
+		unsigned int			wake_entry_type;
+	};
 	int				on_cpu;
 #ifdef CONFIG_THREAD_INFO_IN_TASK
 	/* Current CPU: */