Fix to Christopher code review comments

Author: caberos

SoftLayer/CLI/firewall/detail.py

@@ -25,11 +25,11 @@ def cli(env, identifier):
     table.align['name'] = 'r'
     table.align['value'] = 'l'
 
-    table.add_row(['id', result['id']])
-    table.add_row(['primaryIpAddress', result['primaryIpAddress']])
-    table.add_row(['datacenter', result['datacenter']['longName']])
-    table.add_row(['networkVlan', result['networkVlan']['name']])
-    table.add_row(['networkVlaniD', result['networkVlan']['id']])
+    table.add_row(['id', utils.lookup(result, 'id')])
+    table.add_row(['primaryIpAddress', utils.lookup(result, 'primaryIpAddress')])
+    table.add_row(['datacenter', utils.lookup(result, 'datacenter', 'longName')])
+    table.add_row(['networkVlan', utils.lookup(result, 'networkVlan', 'name')])
+    table.add_row(['networkVlaniD', utils.lookup(result, 'networkVlan', 'id')])
 
     if firewall_type == 'vlan':
         rules = mgr.get_dedicated_fwl_rules(firewall_id)