Quotes

src/freedombone-logging

   if [ -d /etc/nginx ]; then
       for filename in /etc/nginx/sites-available/* ; do
           filename_domain=$(echo "$filename" | awk -F '/' '{print $5}')
-          sed -i 's|access_log.*|access_log /var/log/nginx/$filename_domain.access.log;|g' $filename
-          sed -i 's|warn_log.*|warn_log /var/log/nginx/$filename_domain.warn.log;|g' $filename
+          sed -i "s|access_log.*|access_log /var/log/nginx/$filename_domain.access.log;|g" $filename
+          sed -i "s|warn_log.*|warn_log /var/log/nginx/$filename_domain.warn.log;|g" $filename
           sed -i "s|error_log.*|error_log /var/log/nginx/$filename_domain.err.log;|g" $filename
       done
   fi