Do some nonsense to pass two values to one argument.

guestfs-inspectd.c

@@ -20,7 +20,7 @@ int main(int argc, char **argv) {
   for (int i = 0; i < worker_count; i++) {
     char *path = strtok(argv[i+1], ":");
     char *name = strtok(NULL, ":");
-    workers[i] = zactor_new(worker_task, NULL);
+    workers[i] = zactor_new(worker_task, (void *) &((struct { char* path; char *name; }) {.path = path, .name = name}));
   }
 
   return EXIT_SUCCESS;