fix prefix table

Author: Marc Bernabeu

app/code/community/Devopensource/Notification/sql/devopennotify_setup/install-0.1.0.php

@@ -13,7 +13,7 @@
 
 $installer->startSetup();
 
-$table = $installer->getConnection()->newTable('devopen_notification')
+$table = $installer->getConnection()->newTable($installer->getTable('devopennotify/notification'))
     ->addColumn('id', Varien_Db_Ddl_Table::TYPE_INTEGER, null, array(
         'unsigned'  => true,
         'nullable'  => false,