[nongnu] elpa/helm-core updated (4d1f38684c -> 4948d844be)

[ELPA Syncer]

elpasync pushed a change to branch elpa/helm-core.

      from  4d1f38684c Prevent using when-let (#2517)
      adds  4948d844be Provide new user vars to avoid hardcoding icons

No new revisions were added by this update.

Summary of changes:
 helm-imenu.el | 159 ++++++++++++++++++++++++++++++++--------------------------
 1 file changed, 88 insertions(+), 71 deletions(-)