nilfs2: fix block comments

This fixes block comments with proper formatting to eliminate the
following checkpatch.pl warnings:

  "WARNING: Block comments use * on subsequent lines"
  "WARNING: Block comments use a trailing */ on a separate line"

Link: http://lkml.kernel.org/r/1462886671-3521-8-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>
diff --git a/fs/nilfs2/ifile.c b/fs/nilfs2/ifile.c
index d9048f6..1d2b180 100644
--- a/fs/nilfs2/ifile.c
+++ b/fs/nilfs2/ifile.c
@@ -64,8 +64,10 @@
 	struct nilfs_palloc_req req;
 	int ret;
 
-	req.pr_entry_nr = 0;  /* 0 says find free inode from beginning of
-				 a group. dull code!! */
+	req.pr_entry_nr = 0;  /*
+			       * 0 says find free inode from beginning
+			       * of a group. dull code!!
+			       */
 	req.pr_entry_bh = NULL;
 
 	ret = nilfs_palloc_prepare_alloc_entry(ifile, &req);