Output variable measurement level, alignment, and display width as

Output variable measurement level, alignment, and display width as
part of DISPLAY DICTIONARY and SYSFILE INFO output.  Bug #13019.
Reviewed by John Darrington.
* sys-file-info.c (cmd_sysfile_info): Allow space for new rows of
info in output.
(display_variables): Ditto.
(describe_variable): Output variable measurement level, alignment,
and display width as part of DISPLAY DICTIONARY and SYSFILE INFO
output.