staging: android: add identifiers to function parameters

Fix checkpatch.pl warnings of the form "function definition argument
'foo' should also have an identifier name".
Signed-off-by: Ashish Kalra <eashishkalra@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

drivers/staging/android/ion/ion.h

@@ -180,7 +180,8 @@ struct ion_heap {
 	wait_queue_head_t waitqueue;
 	struct task_struct *task;
 
-	int (*debug_show)(struct ion_heap *heap, struct seq_file *, void *);
+	int (*debug_show)(struct ion_heap *heap, struct seq_file *s,
+			  void *unused);
 };
 
 /**