misc/172440: [patch] [build] fix broken CTFCONVERT_CMD call

[Andrey Chernov]

It is fixed for stable-9 and standard make using MFC + mk fix:
http://svnweb.freebsd.org/base?view=revision&revision=241928
http://svnweb.freebsd.org/base?view=revision&revision=241929

and fixed for stable-8 and standard make using mk fix:
http://svnweb.freebsd.org/base?view=revision&revision=241930

so only bmake case left unfixed.