Socket creation should use C++ new.

It wasn't.

src/IO/http.cc

@@ -168,11 +168,11 @@ void a_Http_set_proxy_passwd(const char *str)
  * Create and init a new SocketData_t struct, insert into ValidSocks,
  * and return a primary key for it.
  */
-static int Http_sock_new(void)
+static int Http_sock_new()
 {
-   SocketData_t *S = dNew0(SocketData_t, 1);
+   auto S = std::make_unique< SocketData_t >();
    S->SockFD = -1;
-   return a_Klist_insert(&ValidSocks, S);
+   return a_Klist_insert(&ValidSocks, S.release());
 }
 
 /**