Do not truncate office phones in finger's summary listing

[• lidl]

Summary

Do not truncate office phones in finger's summary listing

When finger is invoked as as "finger username", it produces the
long listing by default, and phones numbers are pretty-printed
by the prphone() function. When invoked as just "finger", the
same pretty-printing happens, but is truncated at 9 characters.
Given the summary listing is already greater than 80 columns,

Test Plan

compiled and tested on sparc64, amd64

Without the patch:

root@host-251: finger
Login Name TTY Idle Login Time Office Phone
lidl Kurt Lidl pts/0 Feb 26 22:59 +1-xxx-yy
lidl Kurt Lidl pts/1 Mar 3 22:22 +1-xxx-yy

With the patch:
root@host-256: /usr/obj/usr/src/usr.bin/finger/finger
Login Name TTY Idle Login Time Office Phone
lidl Kurt Lidl pts/0 Feb 26 22:59 +1-xxx-yyy-zzzz
lidl Kurt Lidl pts/1 Mar 3 22:22 +1-xxx-yyy-zzzz