Fix quotes

scripts/letsencrypt_authenticator.sh

@@ -55,7 +55,7 @@ fi
 old_serial=$(grep serial $zone_file | awk '{print $1}' | tr -cd '[:alnum:][_\-]')
 new_serial=$((old_serial+1))
 old_challenge=$(grep _acme-challenge $zone_file | awk '{print $4}' | head -n 1 | tr -cd '[:alnum:][_\-]')
-new_challenge="\"$CERTBOT_VALIDATION\""
+new_challenge="$CERTBOT_VALIDATION"
 $verbose && echo "old serial : $old_serial"
 $verbose && echo "new serial : $new_serial"
 $verbose && echo "old challenge : $old_challenge"