Add the utf-8 representation of the data encoded at 0xEF 0xA3 0xB5

This should catch what the previous line is supposed to match if encoded incorrectly.

data/spamRules.php

@@ -373,6 +373,7 @@ $rules['text'][] = function($spam) {
         || strpos($spamLower, 'xfather123') !== false
         || strpos($spamLower, 'viagra') !== false
         || strpos($spam, '?') !== false
+        || strpos($spam, '') !== false
         || strpos($spamLower, 'levitra') !== false
         || strpos($spamLower, 'linkspirit.net') !== false
         || strpos($spamLower, 'lowest-rate-loans') !== false