Fix alignment of q command in Erlang shell user switch command help

This PR fixes the bad alignment of the `q` command.

    Eshell V5.10.2  (abort with ^G)
    1> 
    User switch command
     --> h
      c [nn]            - connect to job
      i [nn]            - interrupt job
      k [nn]            - kill job
      j                 - list all jobs
      s [shell]         - start local shell
      r [node [shell]]  - start remote shell
      q        - quit erlang
      ? | h             - this message
     --> q