Fix "where is symbol" ircbot handler

Summary: In my haste, I forgot a trailing ?

Test Plan: Try both "Where is Derp?" and "Where in the world is Derp?"

Reviewers: epriestley

CC: aran

Differential Revision: https://secure.phabricator.com/D3387

src/infrastructure/daemon/irc/handler/PhabricatorIRCObjectNameHandler.php

@@ -229,7 +229,8 @@ final class PhabricatorIRCObjectNameHandler extends PhabricatorIRCHandler {
     $text = $message->getMessageText();
 
     $matches = null;
-    if (!preg_match('/where(?: in the world) is (\S+?)\?/i', $text, $matches)) {
+    if (!preg_match('/where(?: in the world)? is (\S+?)\?/i',
+        $text, $matches)) {
       return;
     }