Fix msftidy warning

Author: cbrnrd

modules/exploits/linux/http/netgear_dnslookup_cmd_exec.rb

@@ -67,7 +67,7 @@ def check
       model = data[/#{marker_one}(.*?)#{marker_two}/m, 1]
       vprint_status("Router is a NETGEAR router (#{model})")
       model_numbers = ['DGN2200v1', 'DGN2200v2', 'DGN2200v3', 'DGN2200v4']
-      if model_numbers.include?(model) 
+      if model_numbers.include?(model)
         print_good("Router may be vulnerable (NETGEAR #{model})")
         return CheckCode::Detected
       else