[nongnu] elpa/helm updated (428d513bf1 -> 6662f731d3)

[ELPA Syncer]

elpasync pushed a change to branch elpa/helm.

      from  428d513bf1 Make helm--map-candidates-in-source more generic
       new  6c07b3fc35 Avoid calling twice file-attributes in helm-ff-properties
       new  6662f731d3 Fix issue #2558 - don't assume history-length is a number


Summary of changes:
 helm-files.el |  8 ++++----
 helm-utils.el | 23 +++++++++++++----------
 2 files changed, 17 insertions(+), 14 deletions(-)