Replace the last vestiges of htmlentities with htmlspecialchars

controllers/ProvideAutoSuggest.php

@@ -57,7 +57,7 @@ class ProvideAutoSuggest extends JSONController
 			return;
 		}
 
-		$label = htmlentities(trim($_REQUEST['tag']));
+		$label = htmlspecialchars(trim($_REQUEST['tag']));
 		$slug = strtr($label, [' ' => '-']);
 		$tag = Tag::createNew([
 			'tag' => $label,