y2k/50345: wrong shell arguments in chapter 5.15 of the guide

[peter%tobler.cc@localhost]

>Number:         50345
>Category:       y2k
>Synopsis:       wrong shell arguments in chapter 5.15 of the guide
>Confidential:   no
>Severity:       non-critical
>Priority:       low
>Responsible:    y2k-manager
>State:          open
>Class:          change-request
>Submitter-Id:   net
>Arrival-Date:   Sun Oct 18 23:55:00 +0000 2015
>Originator:     Peter Tobler
>Release:        -
>Organization:
-
>Environment:
-
>Description:
this page (https://www.netbsd.org/docs/guide/en/chap-boot.html#chap-boot-pkgsrc) contains a superfluous export command.

ps: it is weird that i cannot select category "www" in the category dropdown, please add it.
>How-To-Repeat:
-
>Fix:
either remove "export PKG_PATH" altogether or remove the "export" in the line above.