janssonrpcc: close fd in case of error

src/modules/janssonrpcc/janssonrpc_connect.c

@@ -338,7 +338,7 @@ void bev_connect(jsonrpc_server_t* server)
 		} else {
 			INFO("setting up socket");
 			fd = socket(AF_INET, SOCK_STREAM, 0);
-			if (fd <= 0) {
+			if (fd < 0) {
 				server->keep_alive_socket_fd = -1;
 				ERR("could not setup socket");
 			} else {
@@ -346,6 +346,9 @@ void bev_connect(jsonrpc_server_t* server)
 			}
 		}
 		if (!fd_is_valid(fd)) { // make sure socket is valid
+			if (fd >= 0) {
+				close(fd);
+			}
 			fd = -1;
 			server->keep_alive_socket_fd = -1;
 		}