1 files changed, 1 insertions, 1 deletions

diff --git a/libkcal/incidence.h b/libkcal/incidence.h
index ebd50d0..aa51e84 100644
--- a/libkcal/incidence.h
+++ b/libkcal/incidence.h
@@ -101,33 +101,33 @@ class Incidence : public IncidenceBase
     Incidence();
     Incidence(const Incidence &);
     ~Incidence();
 
     /**
       Accept IncidenceVisitor. A class taking part in the visitor mechanism has to
       provide this implementation:
       <pre>
         bool accept(Visitor &v) { return v.visit(this); }
       </pre>
     */
     virtual bool accept(Visitor &) { return false; }
 
     virtual Incidence *clone() = 0;
     virtual void cloneRelations( Incidence * );
 
-    virtual QDateTime getNextAlarmDateTime( bool * ok, int * offset ) const = 0;
+    virtual QDateTime getNextAlarmDateTime( bool * ok, int * offset, QDateTime start_dt ) const = 0;
     void setReadOnly( bool );
 
     /**
       Recreate event. The event is made a new unique event, but already stored
       event information is preserved. Sets uniquie id, creation date, last
       modification date and revision number.
     */
     void recreate();
     Incidence*  recreateCloneException(QDate);
 
     /** set creation date */
     void setCreated(QDateTime);
     /** return time and date of creation. */
     QDateTime created() const;
 
     /** set the number of revisions this event has seen */