Update Dockerfile

piwigo/Dockerfile

@@ -93,6 +93,7 @@ RUN if ! command -v bash >/dev/null 2>/dev/null; then (apt-get update && apt-get
 # 4 Entrypoint #
 ################
 
+# hadolint ignore=SC2013
 RUN \
     for file in $(grep -Esril "/local/config/addons_config/piwigo" /etc /defaults); do sed -i "s=/local/config/addons_config/piwigo=/local/config=g" "$file"; done