[TYPO3-core] RFC #16470: Bug: Scheduler fails to calculateNextValue a turn of the year

[Tobias Hövelborn]

This is an SVN patch request.

Type: Bugfix

Bugtracker references: http://bugs.typo3.org/view.php?id=16470

Branches: trunk, TYPO3_4-4, TYPO3_4-3

Problem:
In class sysext/scheduler/class.tx_scheduler_croncmd.php
calculation of a next value for cron execution in scheduler sysext 
fails, if day of week is spefified in cron command and the next value is 
in the next year.

Solution:
If change of month triggers a change of year the day start value has not 
been recaculated/ reseted. The attached patch triggers the setting of 
the new start day when incremeting month or year.

Notes:
See bugtracker for example code. IMO in the long term the method would 
need a refactoring, pretty hard to read.

Thank you, Regards Tobias
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