Get userID from username

auth.go

@@ -13,7 +13,7 @@ import (
 func reqPass(w http.ResponseWriter, r *http.Request) {
 	username := r.FormValue("UserName")
 	var userID string
-	g, err := dg.State.Guild(config.GuildID)
+	g, err := dg.Guild(config.GuildID)
 	if err == nil {
 		for _, m := range g.Members {
 			if m.User.Username == "johndoe" {