Merge pull request #7 from dominikzogg/memcachedfix

fix variable name

Author: simensen

src/Dflydev/Pimple/Provider/DoctrineOrm/DoctrineOrmServiceProvider.php

@@ -213,7 +213,7 @@ public function register(\Pimple $app)
             $memcached->addServer($cacheOptions['host'], $cacheOptions['port']);
 
             $cache = new MemcachedCache;
-            $cache->setMemcached($memcache);
+            $cache->setMemcached($memcached);
 
             return $cache;
         });