[functions] ParseNginx: Ignore empty included wildcards

Its ok to have empty directories included. We should not output errors with
lsbinary unable to find anything there.

include/functions

@@ -2306,7 +2306,7 @@
                     # "include sites-enabled/*.conf"
                     elif [ $(echo ${VALUE} | grep -F -c "*.conf") -gt 0 ]; then
                         if [ "$(echo ${VALUE} | ${CUTBINARY} -c1)" != "/" ]; then VALUE=${CONFIG_FILE%nginx.conf}; fi
-                        for FOUND_CONF in $(ls ${VALUE%;*}); do
+                        for FOUND_CONF in $(ls ${VALUE%;*} 2> /dev/null); do
                             FOUND=0
                             for CONF in ${NGINX_CONF_FILES}; do
                                 if [ "${CONF}" = "${FOUND_CONF}" ]; then FOUND=1; LogText "Found this file already in our configuration files array, not adding to queue"; fi