perl-Skinny: don't launch thread if socket can't be created

src/mod/endpoints/mod_skinny/Net/Skinny/Client.pm

@@ -31,8 +31,10 @@ sub new {
 	$kept_self = shift->SUPER::new(@_);
 	$messages_send_queue = Thread::Queue->new();
 	$messages_receive_queue = Thread::Queue->new();
+	if ($kept_self) {
 		threads->create(\&send_messages_thread_func);
 		threads->create(\&receive_messages_thread_func);
+	}
 	return $kept_self;
 }