The log msg "passthru socket listening on port n" was always wrong

(said port 0) since the port had not been bound yet.
So fix the display order of that msg (after listen() is called)
and lower the log level to debug.

src/sbbs3/main.cpp

@@ -5776,7 +5776,15 @@ NO_SSH:
 				close_socket(tmp_sock);
 				goto NO_PASSTHRU;
 			}
-			lprintf(LOG_INFO,"Node %d passthru socket listening on port %u"
+
+			tmp_addr_len=sizeof(tmp_addr);
+			if(getsockname(tmp_sock, (struct sockaddr *)&tmp_addr, &tmp_addr_len)) {
+				lprintf(LOG_ERR,"Node %d !ERROR %d getting passthru listener address"
+					,new_node->cfg.node_num, ERROR_VALUE);
+				close_socket(tmp_sock);
+				goto NO_PASSTHRU;
+			}
+			lprintf(LOG_DEBUG,"Node %d passthru socket listening on port %u"
 				,new_node->cfg.node_num, htons(tmp_addr.sin_port));
 
     		new_node->passthru_socket = open_socket(PF_INET, SOCK_STREAM, "passthru");
@@ -5791,16 +5799,6 @@ NO_SSH:
 			lprintf(LOG_DEBUG,"Node %d passthru connect socket %d opened"
 				,new_node->cfg.node_num, new_node->passthru_socket);
 
-			tmp_addr_len=sizeof(tmp_addr);
-			if(getsockname(tmp_sock, (struct sockaddr *)&tmp_addr, &tmp_addr_len)) {
-				lprintf(LOG_ERR,"Node %d !ERROR %d getting passthru listener address"
-					,new_node->cfg.node_num, ERROR_VALUE);
-				close_socket(tmp_sock);
-				close_socket(new_node->passthru_socket);
-				new_node->passthru_socket=INVALID_SOCKET;
-				goto NO_PASSTHRU;
-			}
-
 			result = connect(new_node->passthru_socket, (struct sockaddr *)&tmp_addr, tmp_addr_len);
 
 			if(result != 0) {