Update phpfilemanager_rce.rb

modules/exploits/multi/http/phpfilemanager_rce.rb

@@ -67,10 +67,10 @@ class Metasploit3 < Msf::Exploit::Remote
       }
     })
 
-   if res and res.body =~ /txt/
-     return Exploit::CheckCode::Vulnerable
-   end
-   return Exploit::CheckCode::Safe
+    if res and res.body =~ /txt/
+      return Exploit::CheckCode::Vulnerable
+    end
+    return Exploit::CheckCode::Safe
   end
 
   def push