fixed the examples

examples/example_fc2.php

@@ -1,20 +1,19 @@
 <?php
 
-require_once dirname(__FILE__) . '/../Phpmodbus/ModbusMaster.php';
+use PHPModbus\ModbusMaster;
 
 // Create Modbus object
 $modbus = new ModbusMaster("192.192.15.51", "UDP");
 
 try {
-    // FC 2
-    // read 2 input bits from address 0x0 (Wago input image)
-    $recData = $modbus->readInputDiscretes(0, 0, 2);
-}
-catch (Exception $e) {
-    // Print error information if any
-    echo $modbus;
-    echo $e;
-    exit;
+	// FC 2
+	// read 2 input bits from address 0x0 (Wago input image)
+	$recData = $modbus->readInputDiscretes(0, 0, 2);
+} catch (Exception $e) {
+	// Print error information if any
+	echo $modbus;
+	echo $e;
+	exit;
 }
 
 // Print status information
@@ -22,5 +21,5 @@ echo "</br>Status:</br>" . $modbus;
 
 // Print read data
 echo "</br>Data:</br>";
-var_dump($recData); 
-echo "</br>";
+var_dump($recData);
+echo "</br>";