nilfs2: fix style issue in nilfs_destroy_cachep

This gets rid of unwanted space chars in front of conditional
sentences of nilfs_destroy_cachep().
Signed-off-by: NRyusuke Konishi <konishi.ryusuke@lab.ntt.co.jp>

fs/nilfs2/super.c

@@ -1130,13 +1130,13 @@ static void nilfs_segbuf_init_once(void *obj)
 
 static void nilfs_destroy_cachep(void)
 {
-	 if (nilfs_inode_cachep)
+	if (nilfs_inode_cachep)
 		kmem_cache_destroy(nilfs_inode_cachep);
-	 if (nilfs_transaction_cachep)
+	if (nilfs_transaction_cachep)
 		kmem_cache_destroy(nilfs_transaction_cachep);
-	 if (nilfs_segbuf_cachep)
+	if (nilfs_segbuf_cachep)
 		kmem_cache_destroy(nilfs_segbuf_cachep);
-	 if (nilfs_btree_path_cache)
+	if (nilfs_btree_path_cache)
 		kmem_cache_destroy(nilfs_btree_path_cache);
 }