utility.guildinfo: fix missing await on getGuild

src/modules/utility.js

@@ -1777,7 +1777,7 @@ guildinfo.callback = async function (msg, line) {
     _guild = {source: "local", data: msg.channel.guild};
   } else {
     if (!SNOWFLAKE_REGEX.test(line)) return "Not a snowflake.";
-    _guild = getGuild(line);
+    _guild = await getGuild(line);
   }
 
   const guild = _guild.data;