[nongnu] elpa/helm updated (228ba22048 -> f48231d98e)

[ELPA Syncer]

elpasync pushed a change to branch elpa/helm.

      from  228ba22048 Fix error in helm-grep--ag-command (#2682)
       new  1ba7b39fbb Fix some compiler warnings
       new  d2497a8cea Provide a helm version of package--upgradeable-packages
       new  f48231d98e package-vc-p may not be available


Summary of changes:
 helm-lib.el      | 18 +-----------------
 helm-misc.el     |  2 ++
 helm-occur.el    |  2 ++
 helm-packages.el | 34 ++++++++++++++++++++++++++++++----
 4 files changed, 35 insertions(+), 21 deletions(-)