Fix database name

src/freedombone-utils-database

     if ! grep -q "# Backup the ${database_name} database" $backup_databases_script; then
         echo "# Backup the ${database_name} database" >> $backup_databases_script
         echo "TEMPFILE=/root/${database_name}.sql" >> $backup_databases_script
-        echo 'DAILYFILE=/var/backups/${database_name}_daily.sql' >> $backup_databases_script
+        echo "DAILYFILE=/var/backups/${database_name}_daily.sql" >> $backup_databases_script
         echo "mysqldump --password=\"\$MYSQL_PASSWORD\" ${database_name} > \$TEMPFILE" >> $backup_databases_script
         echo 'FILESIZE=$(stat -c%s $TEMPFILE)' >> $backup_databases_script
         echo 'if [ "$FILESIZE" -eq "0" ]; then' >> $backup_databases_script