Refer to scheduler via hydra and not charon.

src/libcharon/plugins/android/android_service.c

@@ -142,7 +142,7 @@ METHOD(listener_t, child_updown, bool,
 			 * callback, but from a different thread. we also delay it to avoid
 			 * a race condition during a regular shutdown */
 			job = callback_job_create(shutdown_callback, NULL, NULL, NULL);
-			charon->scheduler->schedule_job(charon->scheduler, (job_t*)job, 1);
+			hydra->scheduler->schedule_job(hydra->scheduler, (job_t*)job, 1);
 			return FALSE;
 		}
 	}

src/libcharon/plugins/ha/ha_segments.c

@@ -346,7 +346,7 @@ static job_requeue_t send_status(private_ha_segments_t *this)
 	message->destroy(message);
 
 	/* schedule next invocation */
-	charon->scheduler->schedule_job_ms(charon->scheduler, (job_t*)
+	hydra->scheduler->schedule_job_ms(hydra->scheduler, (job_t*)
 									callback_job_create((callback_job_cb_t)
 										send_status, this, NULL, NULL),
 									this->heartbeat_delay);

src/libcharon/plugins/kernel_klips/kernel_klips_ipsec.c

@@ -1511,7 +1511,7 @@ static void schedule_expire(private_kernel_klips_ipsec_t *this,
 	expire->reqid = reqid;
 	expire->type = type;
 	job = callback_job_create((callback_job_cb_t)sa_expires, expire, free, NULL);
-	charon->scheduler->schedule_job(charon->scheduler, (job_t*)job, time);
+	hydra->scheduler->schedule_job(hydra->scheduler, (job_t*)job, time);
 }
 
 METHOD(kernel_ipsec_t, get_spi, status_t,

src/libcharon/plugins/kernel_netlink/kernel_netlink_net.c

@@ -241,7 +241,7 @@ static void fire_roam_job(private_kernel_netlink_net_t *this, bool address)
 			now.tv_usec -= 1000000;
 		}
 		this->last_roam = now;
-		charon->scheduler->schedule_job_ms(charon->scheduler,
+		hydra->scheduler->schedule_job_ms(hydra->scheduler,
 				(job_t*)roam_job_create(address), ROAM_DELAY);
 	}
 }

src/libcharon/plugins/kernel_pfroute/kernel_pfroute_net.c

@@ -169,7 +169,7 @@ static void fire_roam_job(private_kernel_pfroute_net_t *this, bool address)
 			now.tv_usec -= 1000000;
 		}
 		this->last_roam = now;
-		charon->scheduler->schedule_job_ms(charon->scheduler,
+		hydra->scheduler->schedule_job_ms(hydra->scheduler,
 			(job_t*)roam_job_create(address), ROAM_DELAY);
 	}
 }

src/libcharon/plugins/stroke/stroke_list.c

@@ -428,7 +428,7 @@ static void status(private_stroke_list_t *this, stroke_msg_t *msg, FILE *out, bo
 		fprintf(out, " job queue load: %d,",
 				hydra->processor->get_job_load(hydra->processor));
 		fprintf(out, " scheduled events: %d\n",
-				charon->scheduler->get_job_load(charon->scheduler));
+				hydra->scheduler->get_job_load(hydra->scheduler));
 		fprintf(out, "  loaded plugins: ");
 		enumerator = lib->plugins->create_plugin_enumerator(lib->plugins);
 		while (enumerator->enumerate(enumerator, &plugin))