* more nntpchan-daemon code

* fix keepalive

contrib/backends/nntpchan-daemon/tools/testtool.cpp

@@ -1,5 +1,5 @@
 #include "exec_frontend.hpp"
-#include "message.hpp"
+#include "sanitize.hpp"
 #include <cassert>
 #include <iostream>
 
@@ -7,7 +7,7 @@
 
 int main(int , char * [])
 {
-  nntpchan::Frontend * f = new nntpchan::ExecFrontend("./contrib/nntpchan.sh");
+  nntpchan::Frontend_ptr f(new nntpchan::ExecFrontend("./contrib/nntpchan.sh"));
   assert(nntpchan::IsValidMessageID("<a28a71493831188@web.oniichan.onion>"));
   assert(f->AcceptsNewsgroup("overchan.test"));
   std::cout << "all good" << std::endl;