Fix static analysis failures

src/freedombone-app-rss

                 exit 528823
             fi
             if [ -d /etc/letsencrypt/live/${RSS_READER_DOMAIN_NAME} ]; then
-                ln -s /etc/letsencrypt/live/${RSS_READER_DOMAIN_NAME}/privkey.pem /etc/ssl/private/${2}.key
-                ln -s /etc/letsencrypt/live/${RSS_READER_DOMAIN_NAME}/fullchain.pem /etc/ssl/certs/${2}.pem
+                ln -s "/etc/letsencrypt/live/${RSS_READER_DOMAIN_NAME}/privkey.pem" "/etc/ssl/private/${2}.key"
+                ln -s "/etc/letsencrypt/live/${RSS_READER_DOMAIN_NAME}/fullchain.pem" "/etc/ssl/certs/${2}.pem"
             else
                 # Ensure that the bundled SSL cert is being used
                 if [ -f /etc/ssl/certs/${RSS_READER_DOMAIN_NAME}.bundle.crt ]; then
-                    sed -i "s|${RSS_READER_DOMAIN_NAME}.crt|${RSS_READER_DOMAIN_NAME}.bundle.crt|g" /etc/nginx/sites-available/${2}
+                    sed -i "s|${RSS_READER_DOMAIN_NAME}.crt|${RSS_READER_DOMAIN_NAME}.bundle.crt|g" "/etc/nginx/sites-available/${2}"
                 fi
             fi
         fi