constify dentry_operations: misc filesystems

Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>

fs/hfsplus/inode.c

@@ -137,7 +137,7 @@ const struct address_space_operations hfsplus_aops = {
 	.writepages	= hfsplus_writepages,
 };
 
-struct dentry_operations hfsplus_dentry_operations = {
+const struct dentry_operations hfsplus_dentry_operations = {
 	.d_hash       = hfsplus_hash_dentry,
 	.d_compare    = hfsplus_compare_dentry,
 };