[CIFS] Use file instead of dentry in cifs dir_notify struct

Signed-off-by: Steve French <sfrench@us.ibm.com>

fs/cifs/cifsglob.h

@@ -402,7 +402,7 @@ struct dir_notify_req {
        __u16 netfid;
        __u32 filter; /* CompletionFilter (for multishot) */
        int multishot;
-       struct file * dentry;
+       struct file * pfile;
 };
 
 #define   MID_FREE 0