Land #16123, fix reference URL in cisco_ucs_rce

Author: smcintyre-r7

modules/exploits/linux/http/cisco_ucs_rce.rb

@@ -36,7 +36,7 @@ def initialize(info = {})
           [ 'CVE', '2019-1936' ], # command injection
           [ 'URL', 'https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20190821-imcs-ucs-authby' ],
           [ 'URL', 'https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20190821-imcs-ucs-cmdinj' ],
-          [ 'URL', 'FULL_DISC' ],
+          [ 'URL', 'https://seclists.org/fulldisclosure/2019/Aug/36' ],
           [ 'URL', 'https://raw.githubusercontent.com/pedrib/PoC/master/advisories/Cisco/cisco-ucs-rce.txt' ]
         ],
       'Platform'       => 'unix',