LIKE quoting should convert to string for SQL

irc/client_lookup_set.go

 	return
 }
 
-func QuoteLike(userhost Name) Name {
-	return Name(likeQuoter.Replace(userhost.String()))
+func QuoteLike(userhost Name) string {
+	return likeQuoter.Replace(userhost.String())
 }
 
 type ClientLookupSet struct {