Match env var code styling

Author: kabicin

releases/22.0.0.12/kernel-slim/helpers/build/features.sh

@@ -36,6 +36,6 @@ if [ "$SSL" == "true" ] || [ "$TLS" == "true" ]; then
 fi
 
 # Install necessary features using featureUtility
-featureUtility installServerFeatures --acceptLicense ${SERVER_NAME} --noCache
+featureUtility installServerFeatures --acceptLicense $SERVER_NAME --noCache
 find /opt/ol/wlp/lib /opt/ol/wlp/bin ! -perm -g=rw -print0 | xargs -0 -r chmod g+rw