constify dentry_operations: JFS

Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
diff --git a/fs/jfs/namei.c b/fs/jfs/namei.c
index b4de56b..5f80aef 100644
--- a/fs/jfs/namei.c
+++ b/fs/jfs/namei.c
@@ -35,7 +35,7 @@
 /*
  * forward references
  */
-struct dentry_operations jfs_ci_dentry_operations;
+const struct dentry_operations jfs_ci_dentry_operations;
 
 static s64 commitZeroLink(tid_t, struct inode *);
 
@@ -1595,7 +1595,7 @@
 	return result;
 }
 
-struct dentry_operations jfs_ci_dentry_operations =
+const struct dentry_operations jfs_ci_dentry_operations =
 {
 	.d_hash = jfs_ci_hash,
 	.d_compare = jfs_ci_compare,