fix quota check condition

crontab/crawler.php

@@ -9,13 +9,6 @@ if (false === sem_acquire($semaphore, true)) {
   exit;
 }
 
-// Check disk quota
-if (CRAWL_STOP_DISK_QUOTA_MB_LEFT > disk_free_space('/') / 1000000) {
-
-  echo 'Disk quota reached.' . PHP_EOL;
-  exit;
-}
-
 // Load system dependencies
 require_once('../config/app.php');
 require_once('../library/curl.php');
@@ -24,6 +17,13 @@ require_once('../library/filter.php');
 require_once('../library/parser.php');
 require_once('../library/mysql.php');
 
+// Check disk quota
+if (CRAWL_STOP_DISK_QUOTA_MB_LEFT > disk_free_space('/') / 1000000) {
+
+  echo 'Disk quota reached.' . PHP_EOL;
+  exit;
+}
+
 // Debug
 $timeStart = microtime(true);