Fix null dereference (Coverity 1167314)

kaevent.cpp

@@ -329,7 +329,7 @@ class KAEventPrivate : public QSharedData
         KDateTime          mAtLoginDateTime;   // repeat-at-login end time
         DateTime           mDeferralTime;      // extra time to trigger alarm (if alarm or reminder deferred)
         DateTime           mDisplayingTime;    // date/time shown in the alarm currently being displayed
-        int                mDisplayingFlags;   // type of alarm which is currently being displayed
+        int                mDisplayingFlags;   // type of alarm which is currently being displayed (for display alarm)
         int                mReminderMinutes;   // how long in advance reminder is to be, or 0 if none (<0 for reminder AFTER the alarm)
         DateTime           mReminderAfterTime; // if mReminderActive true, time to trigger reminder AFTER the main alarm, or invalid if not pending
         ReminderType       mReminderActive;    // whether a reminder is due (before next, or after last, main alarm/recurrence)
@@ -612,7 +612,8 @@ KAEvent::KAEvent(const KDateTime& dt, const QString& message, const QColor& bg,
 
 KAEventPrivate::KAEventPrivate(const KDateTime& dt, const QString& message, const QColor& bg, const QColor& fg, const QFont& f,
                                KAEvent::SubAction action, int lateCancel, KAEvent::Flags flags, bool changesPending)
-    : mRecurrence(0)
+    : mRevision(0),
+      mRecurrence(0)
 {
     set(dt, message, bg, fg, f, action, lateCancel, flags, changesPending);
 }
@@ -1184,11 +1185,11 @@ void KAEventPrivate::set(const Event* event)
     {
         // Convert a repetition with no recurrence into a recurrence
         if (mRepetition.isDaily())
-            recur->setDaily(mRepetition.intervalDays());
+            setRecur(RecurrenceRule::rDaily, mRepetition.intervalDays(), mRepetition.count() + 1, QDate());
         else
-            recur->setMinutely(mRepetition.intervalMinutes());
-        recur->setDuration(mRepetition.count() + 1);
+            setRecur(RecurrenceRule::rMinutely, mRepetition.intervalMinutes(), mRepetition.count() + 1, KDateTime());
         mRepetition.set(0, 0);
+        mTriggerChanged = true;
     }
 
     if (mRepeatAtLogin)