Fix Google Indexed Pages metric for sites with less than dozens pages listed...

Fix Google Indexed Pages metric for sites with less than dozens pages listed (where the "about" string is not displayed in search output)

plugins/SEO/RankChecker.php

@@ -114,8 +114,9 @@ class Piwik_SEO_RankChecker
     {
         $url = 'http://www.google.com/search?hl=en&q=site%3A' . urlencode($this->url);
         $data = $this->getPage($url);
-        if (preg_match('#about ([0-9\,]+) results#i', $data, $p)) {
-            return (int)str_replace(',', '', $p[1]);
+        if (preg_match('#([0-9\,]+) results#i', $data, $p)) {
+            $indexedPages = (int)str_replace(',', '', $p[1]);
+            return $indexedPages;
         }
         return 0;
     }