I2C initialize problem

<pre>
-        Field f = this.i2c.getClass().getDeclaredField("fd");
-        f.setAccessible(true);
-        this.fd = f.getInt(this.i2c);

+      this.fd = I2C.wiringPiI2CSetup(address);
+      if ( this.fd == -1 ){
+       	throw new IOException("Unable to open device at address: " + address);
+      }

</pre>
