Add missing super in setup

Author: jhart-r7

modules/exploits/linux/http/f5_icall_cmd.rb

@@ -70,6 +70,7 @@ def setup
     file = datastore['FILENAME']
     file ||= ".#{Rex::Text.rand_text_alphanumeric(16)}"
     @payload_path = ::File.join(datastore['PATH'], file)
+    super
   end
 
   def build_xml