#1675 change init method to public

src/main/java/org/codelibs/fess/ldap/LdapManager.java

@@ -68,7 +68,7 @@ public class LdapManager {
     protected FessConfig fessConfig;
 
     @PostConstruct
-    protected void init() {
+    public void init() {
         fessConfig = ComponentUtil.getFessConfig();
     }