nilfs2: fix code indent coding style issue

This fixes checkpatch.pl warning "WARNING: suspect code indent for
conditional statements".

Link: http://lkml.kernel.org/r/1462886671-3521-4-git-send-email-konishi.ryusuke@lab.ntt.co.jp
Signed-off-by: Ryusuke Konishi <konishi.ryusuke@lab.ntt.co.jp>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>

fs/nilfs2/super.c

@@ -273,7 +273,7 @@ struct nilfs_super_block **nilfs_prepare_super(struct super_block *sb,
 		}
 	} else if (sbp[1] &&
 		   sbp[1]->s_magic != cpu_to_le16(NILFS_SUPER_MAGIC)) {
-			memcpy(sbp[1], sbp[0], nilfs->ns_sbsize);
+		memcpy(sbp[1], sbp[0], nilfs->ns_sbsize);
 	}
 
 	if (flip && sbp[1])