Fix checkstyle issues.

src/main/java/com/sk89q/worldguard/bukkit/commands/region/RegionCommandsBase.java

@@ -44,6 +44,9 @@
 
 class RegionCommandsBase {
 
+    protected RegionCommandsBase() {
+    }
+
     /**
      * Get the permission model to lookup permissions.
      *

src/main/java/com/sk89q/worldguard/internal/util/sql/StatementUtils.java

@@ -22,7 +22,11 @@
 import java.sql.PreparedStatement;
 import java.sql.SQLException;
 
-public class StatementUtils {
+public final class StatementUtils {
+
+    private StatementUtils() {
+    }
+
     /**
      * Creates a comma separated list of PreparedStatement place holders
      *