staging: lustre: llite: change done flag in ll_dir_read to bool

Change the done flag from integer to bool.
Signed-off-by: wang di <di.wang@intel.com>
Reviewed-on: http://review.whamcloud.com/10761
Intel-bug-id: https://jira.hpdd.intel.com/browse/LU-4906Reviewed-by: John L. Hammond <john.hammond@intel.com>
Reviewed-by: Andreas Dilger <andreas.dilger@intel.com>
Reviewed-by: Oleg Drokin <oleg.drokin@intel.com>
Signed-off-by: James Simmons <jsimmons@infradead.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

drivers/staging/lustre/lustre/llite/dir.c

@@ -498,7 +498,7 @@ int ll_dir_read(struct inode *inode, struct md_op_data *op_data,
 	int		   hash64     = sbi->ll_flags & LL_SBI_64BIT_HASH;
 	struct page	  *page;
 	struct ll_dir_chain   chain;
-	int		   done = 0;
+	bool		   done = false;
 	int		   rc = 0;
 
 	ll_dir_chain_init(&chain);