Fix a typo: schedule, scheduling

Author: dr-m

mysys/thr_alarm.c

@@ -273,7 +273,7 @@ void thr_end_alarm(thr_alarm_t *alarmed)
 /*
   Come here when some alarm in queue is due.
   Mark all alarms with are finnished in list.
-  Shedule alarms to be sent again after 1-10 sec (many alarms at once)
+  Schedule alarms to be sent again after 1-10 sec (many alarms at once)
   If alarm_aborted is set then all alarms are given and resent
   every second.
 */
@@ -425,7 +425,7 @@ void end_thr_alarm(my_bool free_structures)
   if (alarm_aborted != 1)			/* If memory not freed */
   {
     mysql_mutex_lock(&LOCK_alarm);
-    DBUG_PRINT("info",("Resheduling %d waiting alarms",alarm_queue.elements));
+    DBUG_PRINT("info",("Rescheduling %d waiting alarms",alarm_queue.elements));
     alarm_aborted= -1;				/* mark aborted */
     if (alarm_queue.elements || (alarm_thread_running && free_structures))
     {