fs/hugetlbfs/inode.c: use static const for dentry_operations

...like other filesystems.

Signed-off-by: Fabian Frederick <fabf@skynet.be>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
diff --git a/fs/hugetlbfs/inode.c b/fs/hugetlbfs/inode.c
index b242759..cc81d25 100644
--- a/fs/hugetlbfs/inode.c
+++ b/fs/hugetlbfs/inode.c
@@ -938,7 +938,7 @@
 	return h - hstates;
 }
 
-static struct dentry_operations anon_ops = {
+static const struct dentry_operations anon_ops = {
 	.d_dname = simple_dname
 };