[CIFS] Cleanup unused variable build warning

	struct inode *inode = cifs_file->dentry->d_inode;

	struct cifsTconInfo *tcon = tlink_tcon(cifs_file->tlink);

	struct cifsInodeInfo *cifsi = CIFS_I(inode);

	struct cifs_sb_info *cifs_sb = CIFS_SB(inode->i_sb);

	struct cifsLockInfo *li, *tmp;

	spin_lock(&cifs_file_list_lock);