Merge pull request #1591 from Security-Onion-Solutions/issue/1590

fix arg for so-firewall addhostgroup

salt/common/tools/sbin/so-firewall

@@ -116,7 +116,7 @@ def addhostgroup(args):
     print('Missing host group name argument', file=sys.stderr)
     showUsage(args)
 
-  name = args[1]
+  name = args[0]
   content = loadYaml(hostgroupsFilename)
   if name in content['firewall']['hostgroups']:
     print('Already exists', file=sys.stderr)