Fix spelling of "marshall"

"Marshall" is a proper noun.  The verb you were going for is "marshal" (one "L").
Merge pull request #4912 from dhrrgn/patch-1

Fix spelling of "marshall"
[#4912] Re-add removed method

- and have it proxy to the renamed version, while raising an E_USER_DEPRECATED
  error.
Merge branch 'hotfix/4912' into develop

Close #4912