Fix OptFloat error

Author: kkirsche

modules/exploits/multi/http/oracle_weblogic_wsat_deserialization_rce.rb

@@ -51,7 +51,7 @@ def initialize(info = {})
     register_options([
       OptString.new('TARGETURI', [true, 'The base path to the WebLogic WSAT endpoint', '/wls-wsat/CoordinatorPortType']),
       Opt::RPORT(7001, true, 'The remote port that the WebLogic WSAT endpoint listens on')
-      OptFloat.new('TIMEOUT', [true, "The timeout value of requests to RHOST", 20])
+      OptFloat.new('TIMEOUT', [true, "The timeout value of requests to RHOST", 20.0])
     ])
   end