Merge pull request #5749 from Security-Onion-Solutions/kilo

Use safe_load to avoid warnings - credit to @clairmont32

salt/common/tools/sbin/so-firewall

@@ -71,7 +71,7 @@ def checkApplyOption(options):
 
 def loadYaml(filename):
   file = open(filename, "r")
-  return yaml.load(file.read())
+  return yaml.safe_load(file.read())
 
 def writeYaml(filename, content):
   file = open(filename, "w")