[nongnu] elpa/helm updated (91b9bb40f2 -> f948dc4464)

[ELPA Syncer]

elpasync pushed a change to branch elpa/helm.

      from  91b9bb40f2 Try to find a suitable face for tty's (#2714)
       new  15494ab4e1 Allow passing a nil arg to helm-force-update
       new  9c390d36cb Inherit from isearch in helm-selection for tty's (#2714)
       new  87cc8dc495 Docstring only
       new  f948dc4464 Define a face for helm-dim-prompt-on-update


Summary of changes:
 helm-core.el  | 15 ++++++++++-----
 helm-files.el |  3 ++-
 2 files changed, 12 insertions(+), 6 deletions(-)