Merge pull request #4467 from aristath/master

Minor bugfix, missing comma

includes/abstracts/abstract-wc-email.php

@@ -90,7 +90,7 @@ abstract class WC_Email extends WC_Settings_API {
         '/&(bull|#149|#8226);/i',                // Bullet
         '/&(pound|#163);/i',                     // Pound sign
         '/&(euro|#8364);/i',                     // Euro sign
-        '/$/'                                // Dollar sign
+        '/$/',                               // Dollar sign
         '/&[^&;]+;/i',                           // Unknown/unhandled entities
         '/[ ]{2,}/'                              // Runs of spaces, post-handling
     );