Remove trailing spaces in code.

examples/MultipleSetAndGet.php

@@ -1,14 +1,14 @@
 <?php
 require_once 'SharedConfigurations.php';
 
-// redis can set keys and their relative values in one go 
-// using MSET, then the same values can be retrieved with 
+// redis can set keys and their relative values in one go
+// using MSET, then the same values can be retrieved with
 // a single command using MGET.
 
 $mkv = array(
     'usr:0001' => 'First user',
-    'usr:0002' => 'Second user', 
-    'usr:0003' => 'Third user' 
+    'usr:0002' => 'Second user',
+    'usr:0003' => 'Third user'
 );
 
 $redis = new Predis\Client($single_server);