Bug 42576

pkg_add (1) refers to .tgz, update to .tbz.
also update example package URL to reflect current path/filename.

Fix: 

if patch didnt paste properly. see http://users.rcn.com/jeffi/pkg_add.1.diff--Jjsx78p6GbvuCr4Znm0lBfRyuqdPNINi4WUcocNMgvbDYVh4
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Index: pkg_add.1
===================================================================
RCS file: /opt/cvs/fbsd/src/usr.sbin/pkg_install/add/pkg_add.1,v
retrieving revision 1.54
diff -u -r1.54 pkg_add.1
--- pkg_add.1   16 May 2002 02:28:34 -0000      1.54
+++ pkg_add.1   9 Sep 2002 03:59:24 -0000
@@ -181,12 +181,12 @@
 .Ar pkg-name
 arguments may be specified, each being either a file containing the
 package (these usually ending with the
-.Dq .tgz
+.Dq .tbz
 suffix) or a
 URL pointing at a file available on an ftp site.  Thus you may
 extract files directly from their anonymous ftp locations (e.g.\&
 .Nm
-.Li ftp://ftp.FreeBSD.org/pub/FreeBSD/packages/shells/bash-1.14.4.tgz ) .
+.Li ftp://ftp.FreeBSD.org/pub/FreeBSD/ports/packages/shells/bash-1.14.7.tbz ) .
 Note:  If you wish to use
 .Bf -emphasis
 passive mode
How-To-Repeat: n/a