add getParentLogger (fixes jdbcbc build)

ojc-core/jdbcbc/jdbcbcimpl/src/com/sun/jbi/jdbcbc/model/metadata/DBMetaData.java

@@ -64,6 +64,11 @@ class DriverShim implements Driver {
         this.driver = d;
     }
 
+    //@Override
+    public Logger getParentLogger() {
+        return null;
+    }
+
     //@Override
     public boolean acceptsURL(final String u) throws SQLException {
         return this.driver.acceptsURL(u);