install/45798: sysinst upgrade needs to handle X in /usr/X11R7 as well as /usr/X11R6

[riz%NetBSD.org@localhost]

>Number:         45798
>Category:       install
>Synopsis:       sysinst upgrade needs to handle X in /usr/X11R7 as well as 
>/usr/X11R6
>Confidential:   no
>Severity:       serious
>Priority:       high
>Responsible:    install-manager
>State:          open
>Class:          support
>Submitter-Id:   net
>Arrival-Date:   Sat Jan 07 18:45:00 +0000 2012
>Originator:     Jeff Rizzo
>Release:        NetBSD 5.99.57
>Organization:
>Environment:
>Description:
Code inspection:  distrib/utils/sysinst/upgrade.c handles the X symlink by 
assuming it lives in /usr/X11R6.  Since (I think) 5.0 or 5.1, X lives in 
/usr/X11R7
>How-To-Repeat:
Try to use sysinst's "upgrade" feature with X.
>Fix:
None given.  Look for X in both places.