polkit: spawn agent in --fallback mode

TODO

@@ -21,8 +21,6 @@ Features:
 
 * place start-pre/start-post/... scripts in sub cgrouprs
 
-* Make RuntimeWatchdogUSec= property writable
-
 * make gtk-doc optional (like kmod?)
 
 * udev: find a way to tell udev to not cancel firmware requests in initramfs

src/shared/spawn-polkit-agent.c

@@ -57,7 +57,7 @@ int polkit_agent_open(void) {
         r = fork_agent(&agent_pid,
                        &pipe_fd[1], 1,
                        POLKIT_AGENT_BINARY_PATH,
-                       POLKIT_AGENT_BINARY_PATH, "--notify-fd", notify_fd, NULL);
+                       POLKIT_AGENT_BINARY_PATH, "--notify-fd", notify_fd, "--fallback", NULL);
 
         /* Close the writing side, because that's the one for the agent */
         close_nointr_nofail(pipe_fd[1]);