port-i386/50183: Executing #!-less script causes compat_freebsd errors

[gson%gson.org@localhost (Andreas Gustafsson)]

>Number:         50183
>Category:       port-i386
>Synopsis:       Executing #!-less script causes compat_freebsd errors
>Confidential:   no
>Severity:       serious
>Priority:       medium
>Responsible:    port-i386-maintainer
>State:          open
>Class:          sw-bug
>Submitter-Id:   net
>Arrival-Date:   Mon Aug 31 08:20:00 +0000 2015
>Originator:     Andreas Gustafsson
>Release:        NetBSD-current, source date 2015.08.30.18.20.27
>Organization:

>Environment:
System: NetBSD
Architecture: i386
Machine: i386
>Description:

On a freshly installed -current/i386 system, running a shell script
with no #! line causes compat_freebsd related error messages to be
printed on the console.

>How-To-Repeat:

# >true
# chmod 755 true
# ./true
kobj_checksyms, 884: [compat_freebsd]: linker error: symbol `compat_14_sys___semctl' not found
WARNING: module error: unable to affix module `compat_freebsd', error 8
kobj_checksyms, 884: [compat_freebsd]: linker error: symbol `compat_14_sys___semctl' not found
WARNING: module error: unable to affix module `compat_freebsd', error 8

>Fix: