Fix usage of fail_with

modules/exploits/unix/webapp/arkeia_upload_exec.rb

@@ -114,7 +114,7 @@ class Metasploit3 < Msf::Exploit::Remote
     # If the server returns 200 and the body contains our payload name,
     # we assume we uploaded the malicious file successfully
     if not res or res.code != 200
-      return fail_with(Exploit::Failure::None, "File wasn't uploaded, aborting!")
+      fail_with(Exploit::Failure::None, "#{peer} - File wasn't uploaded, aborting!")
     end
 
     register_files_for_cleanup("/tmp/ApplianceUpdate")
@@ -129,7 +129,7 @@ class Metasploit3 < Msf::Exploit::Remote
     # If we don't get a 200 when we request our malicious payload, we suspect
     # we don't have a shell, either.
     if res and res.code != 200
-      return fail_with(Exploit::Failure::None, "Exploit failed!")
+      print_error("#{peer} - Unexpected response, probably the exploit failed")
     end
 
 	end