Fix php warning

Makefile

 BASE=nametheprice
 PLUGINTYPE=vmcustom
-VERSION=1.2
+VERSION=1.3
 FILEBASE=opentools_vm2
 
 PLUGINFILES=$(BASE).php $(BASE).script.php $(BASE).xml index.html

nametheprice.script.php

@@ -58,7 +58,7 @@ class plgVmCustomNameThePriceInstallerScript
     public function install(JAdapterInstance $adapter)
     {
         // enabling plugin
-        $db =& JFactory::getDBO();
+        $db = JFactory::getDBO();
         $db->setQuery('update #__extensions set enabled = 1 where type = "plugin" and element = "nametheprice" and folder = "vmcustom"');
         $db->query();
         

nametheprice.xml

@@ -6,7 +6,7 @@
     <authorUrl>http://www.open-tools.net/</authorUrl>
     <copyright>Copyright (C) 2013-2014 Reinhold Kainhofer. All rights reserved.</copyright>
     <license>http://www.gnu.org/licenses/gpl.html GNU/GPL v3+</license>
-    <version>1.2</version>
+    <version>1.3</version>
     <description>VMCUSTOM_NAMETHEPRICE_DESC</description>
     <files>
         <filename plugin="nametheprice">nametheprice.php</filename>