fixed the check function

modules/exploits/multi/http/rails_dynamic_render_code_exec.rb

@@ -73,7 +73,7 @@ class MetasploitModule < Msf::Exploit::Remote
 
     # if the page controller is dynamically rendering, its for sure vuln
     if res and res.body =~ /render params/
-      return Exploit::CheckCode::Vulnerable
+      return CheckCode::Vulnerable
     end
 
     # this is the check for the prod environment
@@ -82,11 +82,11 @@ class MetasploitModule < Msf::Exploit::Remote
       'method'    =>  'GET',
     }, 60)
 
-    # maybe its exploitable
+    # if we can read files, its likley we can execute code
     if res and res.body =~ /ruby/
-      return Exploit::CheckCode::Appears
+      return CheckCode::Appears
     end
-    return Exploit::CheckCode::Safe
+    return CheckCode::Safe
   end
 
   def on_request_uri(cli, request)