bin/59958: ctwm: long delay during ctwm_app_menu

["campbell+netbsd%mumble.net@localhost via gnats" <gnats-admin%NetBSD.org@localhost>]

>Number:         59958
>Category:       bin
>Synopsis:       ctwm: long delay during ctwm_app_menu
>Confidential:   no
>Severity:       serious
>Priority:       medium
>Responsible:    bin-bug-people
>State:          open
>Class:          sw-bug
>Submitter-Id:   net
>Arrival-Date:   Sun Feb 01 22:30:00 +0000 2026
>Originator:     Taylor R Campbell
>Release:        current, 11, 10
>Organization:
The NetBSD Tasting Menu, Inctwm.
>Environment:
>Description:
ctwm_app_menu takes forever (2.5sec on my laptop, 20sec on wiiu).

This runs whenever you start ctwm or something.

It runs to generate a menu from installed .desktop files.
>How-To-Repeat:
launch ctwm and open the menu
>Fix:
rewrite in awk so it reads each file once, not nine times