fix create channel sql query

internal/database/channel.go

@@ -29,7 +29,7 @@ func (s channelService) Channel(id string) (geeksbot.Channel, error) {
 }
 
 func (s channelService) CreateChannel(c geeksbot.Channel) (geeksbot.Channel, error) {
-	queryString := "INSERT INTO channels (id, guild_id, admin, default_channel, new_patron VALUES ($1, $2, $3, $4, $5))"
+	queryString := "INSERT INTO channels (id, guild_id, admin, default_channel, new_patron) VALUES ($1, $2, $3, $4, $5)"
 	_, err := s.db.Exec(queryString, c.ID, c.Guild.ID, c.Admin, c.Default, c.NewPatron)
 	return c, err
 }
@@ -69,8 +69,9 @@ func (s channelService) GuildChannels(g geeksbot.Guild) ([]geeksbot.Channel, err
 
 func (s channelService) GetOrCreateChannel(id string, guild_id string) (geeksbot.Channel, error) {
 	channel, err := s.Channel(id)
-	if err.Error() == sql.ErrNoRows.Error() {
+	if err == sql.ErrNoRows {
-		guild, err := GuildService.GetOrCreateGuild(guild_id)
+		var guild geeksbot.Guild
+		guild, err = GuildService.GetOrCreateGuild(guild_id)
 		if err != nil {
 			return geeksbot.Channel{}, err
 		}