[PATCH] stat shows wrong ppid

One more place in fs/proc/array.c where ppid is wrong, which I missed in my
previous mail to lkml.
Signed-off-by: Dinakar Guniguntala <dino@in.ibm.com>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>

fs/proc/array.c

@@ -370,7 +370,7 @@ static int do_task_stat(struct task_struct *task, char * buffer, int whole)
 			stime += task->signal->stime;
 		}
 	}
-	ppid = task->pid ? task->real_parent->pid : 0;
+	ppid = task->pid ? task->group_leader->real_parent->tgid : 0;
 	read_unlock(&tasklist_lock);
 
 	if (!whole || num_threads<2)