updated for version 7.4.346
Problem:    Indent is not updated when changing 'breakindentopt'. (itchyny)
Solution:   Do not cache "brishift". (Christian Brabandt)
Added tag v7-4-346 for changeset 3248c6e40aee
updated for version 7.4.347
Problem:    test55 fails on some systems.
Solution:   Remove the elements that all result in zero and can end up in an
	    arbitrary position.
Added tag v7-4-347 for changeset a162d41f10e1