privsep: we might not have a root process

Author: rsmarples

src/dhcpcd.c

@@ -2719,7 +2719,7 @@ main(int argc, char **argv, char **envp)
 	if (ctx.options & DHCPCD_STARTED && !(ctx.options & DHCPCD_FORKED))
 		loginfox(PACKAGE " exited");
 #ifdef PRIVSEP
-	if (ps_root_stop(&ctx) == -1)
+	if (ctx.ps_root != NULL && ps_root_stop(&ctx) == -1)
 		i = EXIT_FAILURE;
 	eloop_free(ctx.ps_eloop);
 #endif