Fix memory leaks (cppcheck)

src/knot/conf/conf.c

@@ -1383,6 +1383,7 @@ conf_remote_t conf_remote(
 	conf_val_t val = conf_id_get(conf, C_RMT, C_ADDR, id);
 	if (val.code != KNOT_EOK) {
 		log_error("invalid remote in configuration");
+		free(rundir);
 		return out;
 	}
 	out.addr = conf_addr(&val, rundir);

src/knot/conf/tools.c

@@ -219,6 +219,7 @@ int include_file(
 		char *full_current_name = realpath((args->file_name != NULL) ?
 		                                   args->file_name : "./", NULL);
 		if (full_current_name == NULL) {
+			free(path);
 			return KNOT_ENOMEM;
 		}
 

src/knot/ctl/remote.c

@@ -738,6 +738,7 @@ int remote_answer(int sock, server_t *s, knot_pkt_t *pkt)
 	remote_cmdargs_t args = { 0 };
 	int ret = cmdargs_init(&args);
 	if (ret != KNOT_EOK) {
+		free(cmd);
 		return ret;
 	}